21420304

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22691}}^1$

素因数の和:22758

約数の個数: 20

約数和(自身を含む): 42207120

約数和(自身を除く): 20786816

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22691, 45382, 90764, 181528, 363056, 1338769, 2677538, 5355076, 10710152, 21420304]

約数ペア:

[(1, 21420304), (2, 10710152), (4, 5355076), (8, 2677538), (16, 1338769), (59, 363056), (118, 181528), (236, 90764), (472, 45382), (944, 22691)]