21041764

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 37503648

約数和(自身を除く): 16461884

約数列:

[1, 2, 4, 107, 211, 214, 233, 422, 428, 466, 844, 932, 22577, 24931, 45154, 49163, 49862, 90308, 98326, 99724, 196652, 5260441, 10520882, 21041764]

約数ペア:

[(1, 21041764), (2, 10520882), (4, 5260441), (107, 196652), (211, 99724), (214, 98326), (233, 90308), (422, 49862), (428, 49163), (466, 45154), (844, 24931), (932, 22577)]