21317850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15791}}^1$

素因数の和:15812

約数の個数: 48

約数和(自身を含む): 58746240

約数和(自身を除く): 37428390

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, 15791, 31582, 47373, 78955, 94746, 142119, 157910, 236865, 284238, 394775, 426357, 473730, 710595, 789550, 852714, 1184325, 1421190, 2131785, 2368650, 3552975, 4263570, 7105950, 10658925, 21317850]

約数ペア:

[(1, 21317850), (2, 10658925), (3, 7105950), (5, 4263570), (6, 3552975), (9, 2368650), (10, 2131785), (15, 1421190), (18, 1184325), (25, 852714), (27, 789550), (30, 710595), (45, 473730), (50, 426357), (54, 394775), (75, 284238), (90, 236865), (135, 157910), (150, 142119), (225, 94746), (270, 78955), (450, 47373), (675, 31582), (1350, 15791)]