21453208

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3793}}^1$

素因数の和:3907

約数の個数: 32

約数和(自身を含む): 46438560

約数和(自身を除く): 24985352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3793, 5656, 7586, 15172, 26551, 30344, 53102, 106204, 212408, 383093, 766186, 1532372, 2681651, 3064744, 5363302, 10726604, 21453208]

約数ペア:

[(1, 21453208), (2, 10726604), (4, 5363302), (7, 3064744), (8, 2681651), (14, 1532372), (28, 766186), (56, 383093), (101, 212408), (202, 106204), (404, 53102), (707, 30344), (808, 26551), (1414, 15172), (2828, 7586), (3793, 5656)]