21008742

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{8317}}^1$

素因数の和:8743

約数の個数: 16

約数和(自身を含む): 42122352

約数和(自身を除く): 21113610

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 8317, 16634, 24951, 49902, 3501457, 7002914, 10504371, 21008742]

約数ペア:

[(1, 21008742), (2, 10504371), (3, 7002914), (6, 3501457), (421, 49902), (842, 24951), (1263, 16634), (2526, 8317)]