21261832

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1231}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 21316088

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 508, 1016, 1231, 2159, 2462, 4318, 4924, 8636, 9848, 17272, 20927, 41854, 83708, 156337, 167416, 312674, 625348, 1250696, 2657729, 5315458, 10630916, 21261832]

約数ペア:

[(1, 21261832), (2, 10630916), (4, 5315458), (8, 2657729), (17, 1250696), (34, 625348), (68, 312674), (127, 167416), (136, 156337), (254, 83708), (508, 41854), (1016, 20927), (1231, 17272), (2159, 9848), (2462, 8636), (4318, 4924)]