21345112

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86069}}^1$

素因数の和:86106

約数の個数: 16

約数和(自身を含む): 41313600

約数和(自身を除く): 19968488

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86069, 172138, 344276, 688552, 2668139, 5336278, 10672556, 21345112]

約数ペア:

[(1, 21345112), (2, 10672556), (4, 5336278), (8, 2668139), (31, 688552), (62, 344276), (124, 172138), (248, 86069)]