21587850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15991}}^1$

素因数の和:16012

約数の個数: 48

約数和(自身を含む): 59490240

約数和(自身を除く): 37902390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15991, 31982, 47973, 79955, 95946, 143919, 159910, 239865, 287838, 399775, 431757, 479730, 719595, 799550, 863514, 1199325, 1439190, 2158785, 2398650, 3597975, 4317570, 7195950, 10793925, 21587850]

約数ペア:

[(1, 21587850), (2, 10793925), (3, 7195950), (5, 4317570), (6, 3597975), (9, 2398650), (10, 2158785), (15, 1439190), (18, 1199325), (25, 863514), (27, 799550), (30, 719595), (45, 479730), (50, 431757), (54, 399775), (75, 287838), (90, 239865), (135, 159910), (150, 143919), (225, 95946), (270, 79955), (450, 47973), (675, 31982), (1350, 15991)]