21537026

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25219}}^1$

素因数の和:25289

約数の個数: 16

約数和(自身を含む): 37527360

約数和(自身を除く): 15990334

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25219, 50438, 176533, 353066, 1538359, 3076718, 10768513, 21537026]

約数ペア:

[(1, 21537026), (2, 10768513), (7, 3076718), (14, 1538359), (61, 353066), (122, 176533), (427, 50438), (854, 25219)]