21955726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 37729440

約数和(自身を除く): 15773714

約数列:

[1, 2, 13, 26, 29, 37, 58, 74, 377, 481, 754, 787, 962, 1073, 1574, 2146, 10231, 13949, 20462, 22823, 27898, 29119, 45646, 58238, 296699, 378547, 593398, 757094, 844451, 1688902, 10977863, 21955726]

約数ペア:

[(1, 21955726), (2, 10977863), (13, 1688902), (26, 844451), (29, 757094), (37, 593398), (58, 378547), (74, 296699), (377, 58238), (481, 45646), (754, 29119), (787, 27898), (962, 22823), (1073, 20462), (1574, 13949), (2146, 10231)]