21147632

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120157}}^1$

素因数の和:120176

約数の個数: 20

約数和(自身を含む): 44698776

約数和(自身を除く): 23551144

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120157, 240314, 480628, 961256, 1321727, 1922512, 2643454, 5286908, 10573816, 21147632]

約数ペア:

[(1, 21147632), (2, 10573816), (4, 5286908), (8, 2643454), (11, 1922512), (16, 1321727), (22, 961256), (44, 480628), (88, 240314), (176, 120157)]