21222910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 18516482

約数列:

[1, 2, 5, 10, 31, 62, 155, 223, 307, 310, 446, 614, 1115, 1535, 2230, 3070, 6913, 9517, 13826, 19034, 34565, 47585, 68461, 69130, 95170, 136922, 342305, 684610, 2122291, 4244582, 10611455, 21222910]

約数ペア:

[(1, 21222910), (2, 10611455), (5, 4244582), (10, 2122291), (31, 684610), (62, 342305), (155, 136922), (223, 95170), (307, 69130), (310, 68461), (446, 47585), (614, 34565), (1115, 19034), (1535, 13826), (2230, 9517), (3070, 6913)]