21386757310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73747439}}^1$

素因数の和:73747475

約数の個数: 16

約数和(自身を含む): 39823617600

約数和(自身を除く): 18436860290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73747439, 147494878, 368737195, 737474390, 2138675731, 4277351462, 10693378655, 21386757310]

約数ペア:

[(1, 21386757310), (2, 10693378655), (5, 4277351462), (10, 2138675731), (29, 737474390), (58, 368737195), (145, 147494878), (290, 73747439)]