21689523240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{75721}}^1$

素因数の和:75784

約数の個数: 256

約数和(自身を含む): 83742474240

約数和(自身を除く): 62052951000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 264, 280, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 616, 620, 651, 660, 682, 744, 770, 840, 868, 924, 930, 1023, 1085, 1155, 1240, 1302, 1320, 1364, 1540, 1705, 1736, 1848, 1860, 2046, 2170, 2310, 2387, 2604, 2728, 3080, 3255, 3410, 3720, 4092, 4340, 4620, 4774, 5115, 5208, 6510, 6820, 7161, 8184, 8680, 9240, 9548, 10230, 11935, 13020, 13640, 14322, 19096, 20460, 23870, 26040, 28644, 35805, 40920, 47740, 57288, 71610, 75721, 95480, 143220, 151442, 227163, 286440, 302884, 378605, 454326, 530047, 605768, 757210, 832931, 908652, 1060094, 1135815, 1514420, 1590141, 1665862, 1817304, 2120188, 2271630, 2347351, 2498793, 2650235, 3028840, 3180282, 3331724, 4164655, 4240376, 4543260, 4694702, 4997586, 5300470, 5830517, 6360564, 6663448, 7042053, 7950705, 8329310, 9086520, 9389404, 9995172, 10600940, 11661034, 11736755, 12493965, 12721128, 14084106, 15901410, 16431457, 16658620, 17491551, 18778808, 19990344, 21201880, 23322068, 23473510, 24987930, 25820861, 28168212, 29152585, 31802820, 32862914, 33317240, 34983102, 35210265, 46644136, 46947020, 49294371, 49975860, 51641722, 56336424, 58305170, 63605640, 65725828, 69966204, 70420530, 77462583, 82157285, 87457755, 93894040, 98588742, 99951720, 103283444, 116610340, 129104305, 131451656, 139932408, 140841060, 154925166, 164314570, 174915510, 180746027, 197177484, 206566888, 233220680, 246471855, 258208610, 281682120, 309850332, 328629140, 349831020, 361492054, 387312915, 394354968, 492943710, 516417220, 542238081, 619700664, 657258280, 699662040, 722984108, 774625830, 903730135, 985887420, 1032834440, 1084476162, 1445968216, 1549251660, 1807460270, 1971774840, 2168952324, 2711190405, 3098503320, 3614920540, 4337904648, 5422380810, 7229841080, 10844761620, 21689523240]

約数ペア:

[(1, 21689523240), (2, 10844761620), (3, 7229841080), (4, 5422380810), (5, 4337904648), (6, 3614920540), (7, 3098503320), (8, 2711190405), (10, 2168952324), (11, 1971774840), (12, 1807460270), (14, 1549251660), (15, 1445968216), (20, 1084476162), (21, 1032834440), (22, 985887420), (24, 903730135), (28, 774625830), (30, 722984108), (31, 699662040), (33, 657258280), (35, 619700664), (40, 542238081), (42, 516417220), (44, 492943710), (55, 394354968), (56, 387312915), (60, 361492054), (62, 349831020), (66, 328629140), (70, 309850332), (77, 281682120), (84, 258208610), (88, 246471855), (93, 233220680), (105, 206566888), (110, 197177484), (120, 180746027), (124, 174915510), (132, 164314570), (140, 154925166), (154, 140841060), (155, 139932408), (165, 131451656), (168, 129104305), (186, 116610340), (210, 103283444), (217, 99951720), (220, 98588742), (231, 93894040), (248, 87457755), (264, 82157285), (280, 77462583), (308, 70420530), (310, 69966204), (330, 65725828), (341, 63605640), (372, 58305170), (385, 56336424), (420, 51641722), (434, 49975860), (440, 49294371), (462, 46947020), (465, 46644136), (616, 35210265), (620, 34983102), (651, 33317240), (660, 32862914), (682, 31802820), (744, 29152585), (770, 28168212), (840, 25820861), (868, 24987930), (924, 23473510), (930, 23322068), (1023, 21201880), (1085, 19990344), (1155, 18778808), (1240, 17491551), (1302, 16658620), (1320, 16431457), (1364, 15901410), (1540, 14084106), (1705, 12721128), (1736, 12493965), (1848, 11736755), (1860, 11661034), (2046, 10600940), (2170, 9995172), (2310, 9389404), (2387, 9086520), (2604, 8329310), (2728, 7950705), (3080, 7042053), (3255, 6663448), (3410, 6360564), (3720, 5830517), (4092, 5300470), (4340, 4997586), (4620, 4694702), (4774, 4543260), (5115, 4240376), (5208, 4164655), (6510, 3331724), (6820, 3180282), (7161, 3028840), (8184, 2650235), (8680, 2498793), (9240, 2347351), (9548, 2271630), (10230, 2120188), (11935, 1817304), (13020, 1665862), (13640, 1590141), (14322, 1514420), (19096, 1135815), (20460, 1060094), (23870, 908652), (26040, 832931), (28644, 757210), (35805, 605768), (40920, 530047), (47740, 454326), (57288, 378605), (71610, 302884), (75721, 286440), (95480, 227163), (143220, 151442)]