21544406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 37376640

約数和(自身を除く): 15832234

約数列:

[1, 2, 13, 17, 26, 34, 79, 158, 221, 442, 617, 1027, 1234, 1343, 2054, 2686, 8021, 10489, 16042, 17459, 20978, 34918, 48743, 97486, 136357, 272714, 633659, 828631, 1267318, 1657262, 10772203, 21544406]

約数ペア:

[(1, 21544406), (2, 10772203), (13, 1657262), (17, 1267318), (26, 828631), (34, 633659), (79, 272714), (158, 136357), (221, 97486), (442, 48743), (617, 34918), (1027, 20978), (1234, 17459), (1343, 16042), (2054, 10489), (2686, 8021)]