21391214210

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11950399}}^1$

素因数の和:11950585

約数の個数: 16

約数和(自身を含む): 38719296000

約数和(自身を除く): 17328081790

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 11950399, 23900798, 59751995, 119503990, 2139121421, 4278242842, 10695607105, 21391214210]

約数ペア:

[(1, 21391214210), (2, 10695607105), (5, 4278242842), (10, 2139121421), (179, 119503990), (358, 59751995), (895, 23900798), (1790, 11950399)]