21555170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23687}}^1$

素因数の和:23714

約数の個数: 32

約数和(自身を含む): 47755008

約数和(自身を除く): 26199838

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23687, 47374, 118435, 165809, 236870, 307931, 331618, 615862, 829045, 1539655, 1658090, 2155517, 3079310, 4311034, 10777585, 21555170]

約数ペア:

[(1, 21555170), (2, 10777585), (5, 4311034), (7, 3079310), (10, 2155517), (13, 1658090), (14, 1539655), (26, 829045), (35, 615862), (65, 331618), (70, 307931), (91, 236870), (130, 165809), (182, 118435), (455, 47374), (910, 23687)]