21384544

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21557}}^1$

素因数の和:21598

約数の個数: 24

約数和(自身を含む): 43460928

約数和(自身を除く): 22076384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21557, 43114, 86228, 172456, 344912, 668267, 689824, 1336534, 2673068, 5346136, 10692272, 21384544]

約数ペア:

[(1, 21384544), (2, 10692272), (4, 5346136), (8, 2673068), (16, 1336534), (31, 689824), (32, 668267), (62, 344912), (124, 172456), (248, 86228), (496, 43114), (992, 21557)]