21315768

素因数分解:

$2^3\times 3^1\times {\mathrm{888157}}^1$

素因数の和:888166

約数の個数: 16

約数和(自身を含む): 53289480

約数和(自身を除く): 31973712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 888157, 1776314, 2664471, 3552628, 5328942, 7105256, 10657884, 21315768]

約数ペア:

[(1, 21315768), (2, 10657884), (3, 7105256), (4, 5328942), (6, 3552628), (8, 2664471), (12, 1776314), (24, 888157)]