21120952

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6301}}^1$

素因数の和:6726

約数の個数: 16

約数和(自身を含む): 39702600

約数和(自身を除く): 18581648

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6301, 12602, 25204, 50408, 2640119, 5280238, 10560476, 21120952]

約数ペア:

[(1, 21120952), (2, 10560476), (4, 5280238), (8, 2640119), (419, 50408), (838, 25204), (1676, 12602), (3352, 6301)]