21409210

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9349}}^1$

素因数の和:9585

約数の個数: 16

約数和(自身を含む): 38709000

約数和(自身を除く): 17299790

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 9349, 18698, 46745, 93490, 2140921, 4281842, 10704605, 21409210]

約数ペア:

[(1, 21409210), (2, 10704605), (5, 4281842), (10, 2140921), (229, 93490), (458, 46745), (1145, 18698), (2290, 9349)]