21098520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 69357600

約数和(自身を除く): 48259080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 569, 618, 824, 927, 1030, 1138, 1236, 1545, 1707, 1854, 2060, 2276, 2472, 2845, 3090, 3414, 3708, 4120, 4552, 4635, 5121, 5690, 6180, 6828, 7416, 8535, 9270, 10242, 11380, 12360, 13656, 17070, 18540, 20484, 22760, 25605, 34140, 37080, 40968, 51210, 58607, 68280, 102420, 117214, 175821, 204840, 234428, 293035, 351642, 468856, 527463, 586070, 703284, 879105, 1054926, 1172140, 1406568, 1758210, 2109852, 2344280, 2637315, 3516420, 4219704, 5274630, 7032840, 10549260, 21098520]

約数ペア:

[(1, 21098520), (2, 10549260), (3, 7032840), (4, 5274630), (5, 4219704), (6, 3516420), (8, 2637315), (9, 2344280), (10, 2109852), (12, 1758210), (15, 1406568), (18, 1172140), (20, 1054926), (24, 879105), (30, 703284), (36, 586070), (40, 527463), (45, 468856), (60, 351642), (72, 293035), (90, 234428), (103, 204840), (120, 175821), (180, 117214), (206, 102420), (309, 68280), (360, 58607), (412, 51210), (515, 40968), (569, 37080), (618, 34140), (824, 25605), (927, 22760), (1030, 20484), (1138, 18540), (1236, 17070), (1545, 13656), (1707, 12360), (1854, 11380), (2060, 10242), (2276, 9270), (2472, 8535), (2845, 7416), (3090, 6828), (3414, 6180), (3708, 5690), (4120, 5121), (4552, 4635)]