21915614

素因数分解:

$2^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{2713}}^1$

素因数の和:3299

約数の個数: 16

約数和(自身を含む): 37648608

約数和(自身を除く): 15732994

約数列:

[1, 2, 7, 14, 577, 1154, 2713, 4039, 5426, 8078, 18991, 37982, 1565401, 3130802, 10957807, 21915614]

約数ペア:

[(1, 21915614), (2, 10957807), (7, 3130802), (14, 1565401), (577, 37982), (1154, 18991), (2713, 8078), (4039, 5426)]