21546328

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 19925672

約数列:

[1, 2, 4, 8, 59, 118, 191, 236, 239, 382, 472, 478, 764, 956, 1528, 1912, 11269, 14101, 22538, 28202, 45076, 45649, 56404, 90152, 91298, 112808, 182596, 365192, 2693291, 5386582, 10773164, 21546328]

約数ペア:

[(1, 21546328), (2, 10773164), (4, 5386582), (8, 2693291), (59, 365192), (118, 182596), (191, 112808), (236, 91298), (239, 90152), (382, 56404), (472, 45649), (478, 45076), (764, 28202), (956, 22538), (1528, 14101), (1912, 11269)]