21084240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1564

約数の個数: 80

約数和(自身を含む): 66513600

約数和(自身を除く): 45429360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 295, 354, 472, 590, 708, 885, 944, 1180, 1416, 1489, 1770, 2360, 2832, 2978, 3540, 4467, 4720, 5956, 7080, 7445, 8934, 11912, 14160, 14890, 17868, 22335, 23824, 29780, 35736, 44670, 59560, 71472, 87851, 89340, 119120, 175702, 178680, 263553, 351404, 357360, 439255, 527106, 702808, 878510, 1054212, 1317765, 1405616, 1757020, 2108424, 2635530, 3514040, 4216848, 5271060, 7028080, 10542120, 21084240]

約数ペア:

[(1, 21084240), (2, 10542120), (3, 7028080), (4, 5271060), (5, 4216848), (6, 3514040), (8, 2635530), (10, 2108424), (12, 1757020), (15, 1405616), (16, 1317765), (20, 1054212), (24, 878510), (30, 702808), (40, 527106), (48, 439255), (59, 357360), (60, 351404), (80, 263553), (118, 178680), (120, 175702), (177, 119120), (236, 89340), (240, 87851), (295, 71472), (354, 59560), (472, 44670), (590, 35736), (708, 29780), (885, 23824), (944, 22335), (1180, 17868), (1416, 14890), (1489, 14160), (1770, 11912), (2360, 8934), (2832, 7445), (2978, 7080), (3540, 5956), (4467, 4720)]