2101472849

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{30181}}^1$

素因数の和:30238

約数の個数: 20

約数和(自身を含む): 2536193460

約数和(自身を除く): 434720611

約数列:

[1, 7, 29, 49, 203, 343, 1421, 2401, 9947, 30181, 69629, 211267, 875249, 1478869, 6126743, 10352083, 42887201, 72464581, 300210407, 2101472849]

約数ペア:

[(1, 2101472849), (7, 300210407), (29, 72464581), (49, 42887201), (203, 10352083), (343, 6126743), (1421, 1478869), (2401, 875249), (9947, 211267), (30181, 69629)]