21578244152

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{87009049}}^1$

素因数の和:87009086

約数の個数: 16

約数和(自身を含む): 41764344000

約数和(自身を除く): 20186099848

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 87009049, 174018098, 348036196, 696072392, 2697280519, 5394561038, 10789122076, 21578244152]

約数ペア:

[(1, 21578244152), (2, 10789122076), (4, 5394561038), (8, 2697280519), (31, 696072392), (62, 348036196), (124, 174018098), (248, 87009049)]