21992888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{88681}}^1$

素因数の和:88718

約数の個数: 16

約数和(自身を含む): 42567360

約数和(自身を除く): 20574472

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 88681, 177362, 354724, 709448, 2749111, 5498222, 10996444, 21992888]

約数ペア:

[(1, 21992888), (2, 10996444), (4, 5498222), (8, 2749111), (31, 709448), (62, 354724), (124, 177362), (248, 88681)]