21000446990

素因数分解:

$2^1\times 5^1\times {\mathrm{446533}}^1\times {\mathrm{4703}}^1$

素因数の和:451243

約数の個数: 16

約数和(自身を含む): 37808926848

約数和(自身を除く): 16808479858

約数列:

[1, 2, 5, 10, 4703, 9406, 23515, 47030, 446533, 893066, 2232665, 4465330, 2100044699, 4200089398, 10500223495, 21000446990]

約数ペア:

[(1, 21000446990), (2, 10500223495), (5, 4200089398), (10, 2100044699), (4703, 4465330), (9406, 2232665), (23515, 893066), (47030, 446533)]