21007006

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1063}}^1$

素因数の和:1347

約数の個数: 16

約数和(自身を含む): 32443488

約数和(自身を除く): 11436482

約数列:

[1, 2, 41, 82, 241, 482, 1063, 2126, 9881, 19762, 43583, 87166, 256183, 512366, 10503503, 21007006]

約数ペア:

[(1, 21007006), (2, 10503503), (41, 512366), (82, 256183), (241, 87166), (482, 43583), (1063, 19762), (2126, 9881)]