21635663

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2203}}^1$

素因数の和:2294

約数の個数: 16

約数和(自身を含む): 26236416

約数和(自身を除く): 4600753

約数列:

[1, 7, 23, 61, 161, 427, 1403, 2203, 9821, 15421, 50669, 134383, 354683, 940681, 3090809, 21635663]

約数ペア:

[(1, 21635663), (7, 3090809), (23, 940681), (61, 354683), (161, 134383), (427, 50669), (1403, 15421), (2203, 9821)]