21550696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 43044480

約数和(自身を除く): 21493784

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 422, 751, 844, 1502, 1688, 3004, 3587, 6008, 7174, 12767, 14348, 25534, 28696, 51068, 102136, 158461, 316922, 633844, 1267688, 2693837, 5387674, 10775348, 21550696]

約数ペア:

[(1, 21550696), (2, 10775348), (4, 5387674), (8, 2693837), (17, 1267688), (34, 633844), (68, 316922), (136, 158461), (211, 102136), (422, 51068), (751, 28696), (844, 25534), (1502, 14348), (1688, 12767), (3004, 7174), (3587, 6008)]