21236460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 47952660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 826, 857, 885, 1180, 1239, 1652, 1714, 1770, 2065, 2478, 2571, 3428, 3540, 4130, 4285, 4956, 5142, 5999, 6195, 8260, 8570, 10284, 11998, 12390, 12855, 17140, 17997, 23996, 24780, 25710, 29995, 35994, 50563, 51420, 59990, 71988, 89985, 101126, 119980, 151689, 179970, 202252, 252815, 303378, 353941, 359940, 505630, 606756, 707882, 758445, 1011260, 1061823, 1415764, 1516890, 1769705, 2123646, 3033780, 3539410, 4247292, 5309115, 7078820, 10618230, 21236460]

約数ペア:

[(1, 21236460), (2, 10618230), (3, 7078820), (4, 5309115), (5, 4247292), (6, 3539410), (7, 3033780), (10, 2123646), (12, 1769705), (14, 1516890), (15, 1415764), (20, 1061823), (21, 1011260), (28, 758445), (30, 707882), (35, 606756), (42, 505630), (59, 359940), (60, 353941), (70, 303378), (84, 252815), (105, 202252), (118, 179970), (140, 151689), (177, 119980), (210, 101126), (236, 89985), (295, 71988), (354, 59990), (413, 51420), (420, 50563), (590, 35994), (708, 29995), (826, 25710), (857, 24780), (885, 23996), (1180, 17997), (1239, 17140), (1652, 12855), (1714, 12390), (1770, 11998), (2065, 10284), (2478, 8570), (2571, 8260), (3428, 6195), (3540, 5999), (4130, 5142), (4285, 4956)]