21491719094

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1\times {\mathrm{186311}}^1$

素因数の和:186871

約数の個数: 16

約数和(自身を含む): 32550196896

約数和(自身を除く): 11058477802

約数列:

[1, 2, 137, 274, 421, 842, 57677, 115354, 186311, 372622, 25524607, 51049214, 78436931, 156873862, 10745859547, 21491719094]

約数ペア:

[(1, 21491719094), (2, 10745859547), (137, 156873862), (274, 78436931), (421, 51049214), (842, 25524607), (57677, 372622), (115354, 186311)]