21013912

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{211}}^2$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 40259700

約数和(自身を除く): 19245788

約数列:

[1, 2, 4, 8, 59, 118, 211, 236, 422, 472, 844, 1688, 12449, 24898, 44521, 49796, 89042, 99592, 178084, 356168, 2626739, 5253478, 10506956, 21013912]

約数ペア:

[(1, 21013912), (2, 10506956), (4, 5253478), (8, 2626739), (59, 356168), (118, 178084), (211, 99592), (236, 89042), (422, 49796), (472, 44521), (844, 24898), (1688, 12449)]