21415048

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86351}}^1$

素因数の和:86388

約数の個数: 16

約数和(自身を含む): 41448960

約数和(自身を除く): 20033912

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86351, 172702, 345404, 690808, 2676881, 5353762, 10707524, 21415048]

約数ペア:

[(1, 21415048), (2, 10707524), (4, 5353762), (8, 2676881), (31, 690808), (62, 345404), (124, 172702), (248, 86351)]