21105914

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2149

約数の個数: 16

約数和(自身を含む): 32635008

約数和(自身を除く): 11529094

約数列:

[1, 2, 47, 94, 113, 226, 1987, 3974, 5311, 10622, 93389, 186778, 224531, 449062, 10552957, 21105914]

約数ペア:

[(1, 21105914), (2, 10552957), (47, 449062), (94, 224531), (113, 186778), (226, 93389), (1987, 10622), (3974, 5311)]