21729400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 45766280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 40, 44, 50, 55, 56, 68, 70, 77, 83, 85, 88, 100, 110, 119, 136, 140, 154, 166, 170, 175, 187, 200, 220, 238, 275, 280, 308, 332, 340, 350, 374, 385, 415, 425, 440, 476, 550, 581, 595, 616, 664, 680, 700, 748, 770, 830, 850, 913, 935, 952, 1100, 1162, 1190, 1309, 1400, 1411, 1496, 1540, 1660, 1700, 1826, 1870, 1925, 2075, 2200, 2324, 2380, 2618, 2822, 2905, 2975, 3080, 3320, 3400, 3652, 3740, 3850, 4150, 4565, 4648, 4675, 4760, 5236, 5644, 5810, 5950, 6391, 6545, 7055, 7304, 7480, 7700, 8300, 9130, 9350, 9877, 10472, 11288, 11620, 11900, 12782, 13090, 14110, 14525, 15400, 15521, 16600, 18260, 18700, 19754, 22825, 23240, 23800, 25564, 26180, 28220, 29050, 31042, 31955, 32725, 35275, 36520, 37400, 39508, 45650, 49385, 51128, 52360, 56440, 58100, 62084, 63910, 65450, 70550, 77605, 79016, 91300, 98770, 108647, 116200, 124168, 127820, 130900, 141100, 155210, 159775, 182600, 197540, 217294, 246925, 255640, 261800, 282200, 310420, 319550, 388025, 395080, 434588, 493850, 543235, 620840, 639100, 776050, 869176, 987700, 1086470, 1278200, 1552100, 1975400, 2172940, 2716175, 3104200, 4345880, 5432350, 10864700, 21729400]

約数ペア:

[(1, 21729400), (2, 10864700), (4, 5432350), (5, 4345880), (7, 3104200), (8, 2716175), (10, 2172940), (11, 1975400), (14, 1552100), (17, 1278200), (20, 1086470), (22, 987700), (25, 869176), (28, 776050), (34, 639100), (35, 620840), (40, 543235), (44, 493850), (50, 434588), (55, 395080), (56, 388025), (68, 319550), (70, 310420), (77, 282200), (83, 261800), (85, 255640), (88, 246925), (100, 217294), (110, 197540), (119, 182600), (136, 159775), (140, 155210), (154, 141100), (166, 130900), (170, 127820), (175, 124168), (187, 116200), (200, 108647), (220, 98770), (238, 91300), (275, 79016), (280, 77605), (308, 70550), (332, 65450), (340, 63910), (350, 62084), (374, 58100), (385, 56440), (415, 52360), (425, 51128), (440, 49385), (476, 45650), (550, 39508), (581, 37400), (595, 36520), (616, 35275), (664, 32725), (680, 31955), (700, 31042), (748, 29050), (770, 28220), (830, 26180), (850, 25564), (913, 23800), (935, 23240), (952, 22825), (1100, 19754), (1162, 18700), (1190, 18260), (1309, 16600), (1400, 15521), (1411, 15400), (1496, 14525), (1540, 14110), (1660, 13090), (1700, 12782), (1826, 11900), (1870, 11620), (1925, 11288), (2075, 10472), (2200, 9877), (2324, 9350), (2380, 9130), (2618, 8300), (2822, 7700), (2905, 7480), (2975, 7304), (3080, 7055), (3320, 6545), (3400, 6391), (3652, 5950), (3740, 5810), (3850, 5644), (4150, 5236), (4565, 4760), (4648, 4675)]