21850408

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{4261}}^1$

素因数の和:4908

約数の個数: 16

約数和(自身を含む): 41043060

約数和(自身を除く): 19192652

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 4261, 5128, 8522, 17044, 34088, 2731301, 5462602, 10925204, 21850408]

約数ペア:

[(1, 21850408), (2, 10925204), (4, 5462602), (8, 2731301), (641, 34088), (1282, 17044), (2564, 8522), (4261, 5128)]