21358072

素因数分解:

$2^3\times {\mathrm{617}}^1\times {\mathrm{4327}}^1$

素因数の和:4950

約数の個数: 16

約数和(自身を含む): 40120560

約数和(自身を除く): 18762488

約数列:

[1, 2, 4, 8, 617, 1234, 2468, 4327, 4936, 8654, 17308, 34616, 2669759, 5339518, 10679036, 21358072]

約数ペア:

[(1, 21358072), (2, 10679036), (4, 5339518), (8, 2669759), (617, 34616), (1234, 17308), (2468, 8654), (4327, 4936)]