21515841240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{12541}}^1$

素因数の和:12630

約数の個数: 192

約数和(自身を含む): 70788051360

約数和(自身を除く): 49272210120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 340, 348, 408, 435, 493, 510, 580, 680, 696, 841, 870, 986, 1020, 1160, 1479, 1682, 1740, 1972, 2040, 2465, 2523, 2958, 3364, 3480, 3944, 4205, 4930, 5046, 5916, 6728, 7395, 8410, 9860, 10092, 11832, 12541, 12615, 14297, 14790, 16820, 19720, 20184, 25082, 25230, 28594, 29580, 33640, 37623, 42891, 50164, 50460, 57188, 59160, 62705, 71485, 75246, 85782, 100328, 100920, 114376, 125410, 142970, 150492, 171564, 188115, 213197, 214455, 250820, 285940, 300984, 343128, 363689, 376230, 426394, 428910, 501640, 571880, 639591, 727378, 752460, 852788, 857820, 1065985, 1091067, 1279182, 1454756, 1504920, 1705576, 1715640, 1818445, 2131970, 2182134, 2558364, 2909512, 3197955, 3636890, 4263940, 4364268, 5116728, 5455335, 6182713, 6395910, 7273780, 8527880, 8728536, 10546981, 10910670, 12365426, 12791820, 14547560, 18548139, 21093962, 21821340, 24730852, 25583640, 30913565, 31640943, 37096278, 42187924, 43642680, 49461704, 52734905, 61827130, 63281886, 74192556, 84375848, 92740695, 105469810, 123654260, 126563772, 148385112, 158204715, 179298677, 185481390, 210939620, 247308520, 253127544, 316409430, 358597354, 370962780, 421879240, 537896031, 632818860, 717194708, 741925560, 896493385, 1075792062, 1265637720, 1434389416, 1792986770, 2151584124, 2689480155, 3585973540, 4303168248, 5378960310, 7171947080, 10757920620, 21515841240]

約数ペア:

[(1, 21515841240), (2, 10757920620), (3, 7171947080), (4, 5378960310), (5, 4303168248), (6, 3585973540), (8, 2689480155), (10, 2151584124), (12, 1792986770), (15, 1434389416), (17, 1265637720), (20, 1075792062), (24, 896493385), (29, 741925560), (30, 717194708), (34, 632818860), (40, 537896031), (51, 421879240), (58, 370962780), (60, 358597354), (68, 316409430), (85, 253127544), (87, 247308520), (102, 210939620), (116, 185481390), (120, 179298677), (136, 158204715), (145, 148385112), (170, 126563772), (174, 123654260), (204, 105469810), (232, 92740695), (255, 84375848), (290, 74192556), (340, 63281886), (348, 61827130), (408, 52734905), (435, 49461704), (493, 43642680), (510, 42187924), (580, 37096278), (680, 31640943), (696, 30913565), (841, 25583640), (870, 24730852), (986, 21821340), (1020, 21093962), (1160, 18548139), (1479, 14547560), (1682, 12791820), (1740, 12365426), (1972, 10910670), (2040, 10546981), (2465, 8728536), (2523, 8527880), (2958, 7273780), (3364, 6395910), (3480, 6182713), (3944, 5455335), (4205, 5116728), (4930, 4364268), (5046, 4263940), (5916, 3636890), (6728, 3197955), (7395, 2909512), (8410, 2558364), (9860, 2182134), (10092, 2131970), (11832, 1818445), (12541, 1715640), (12615, 1705576), (14297, 1504920), (14790, 1454756), (16820, 1279182), (19720, 1091067), (20184, 1065985), (25082, 857820), (25230, 852788), (28594, 752460), (29580, 727378), (33640, 639591), (37623, 571880), (42891, 501640), (50164, 428910), (50460, 426394), (57188, 376230), (59160, 363689), (62705, 343128), (71485, 300984), (75246, 285940), (85782, 250820), (100328, 214455), (100920, 213197), (114376, 188115), (125410, 171564), (142970, 150492)]