21232920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2999}}^1$

素因数の和:3072

約数の個数: 64

約数和(自身を含む): 64800000

約数和(自身を除く): 43567080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2999, 3540, 5998, 7080, 8997, 11996, 14995, 17994, 23992, 29990, 35988, 44985, 59980, 71976, 89970, 119960, 176941, 179940, 353882, 359880, 530823, 707764, 884705, 1061646, 1415528, 1769410, 2123292, 2654115, 3538820, 4246584, 5308230, 7077640, 10616460, 21232920]

約数ペア:

[(1, 21232920), (2, 10616460), (3, 7077640), (4, 5308230), (5, 4246584), (6, 3538820), (8, 2654115), (10, 2123292), (12, 1769410), (15, 1415528), (20, 1061646), (24, 884705), (30, 707764), (40, 530823), (59, 359880), (60, 353882), (118, 179940), (120, 176941), (177, 119960), (236, 89970), (295, 71976), (354, 59980), (472, 44985), (590, 35988), (708, 29990), (885, 23992), (1180, 17994), (1416, 14995), (1770, 11996), (2360, 8997), (2999, 7080), (3540, 5998)]