21473912

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72547}}^1$

素因数の和:72590

約数の個数: 16

約数和(自身を含む): 41352360

約数和(自身を除く): 19878448

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72547, 145094, 290188, 580376, 2684239, 5368478, 10736956, 21473912]

約数ペア:

[(1, 21473912), (2, 10736956), (4, 5368478), (8, 2684239), (37, 580376), (74, 290188), (148, 145094), (296, 72547)]