21798390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1277}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 52449120

約数和(自身を除く): 30650730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 569, 1138, 1277, 1707, 2554, 2845, 3414, 3831, 5690, 6385, 7662, 8535, 12770, 17070, 19155, 38310, 726613, 1453226, 2179839, 3633065, 4359678, 7266130, 10899195, 21798390]

約数ペア:

[(1, 21798390), (2, 10899195), (3, 7266130), (5, 4359678), (6, 3633065), (10, 2179839), (15, 1453226), (30, 726613), (569, 38310), (1138, 19155), (1277, 17070), (1707, 12770), (2554, 8535), (2845, 7662), (3414, 6385), (3831, 5690)]