21400864

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2999}}^1$

素因数の和:3232

約数の個数: 24

約数和(自身を含む): 42336000

約数和(自身を除く): 20935136

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2999, 3568, 5998, 7136, 11996, 23992, 47984, 95968, 668777, 1337554, 2675108, 5350216, 10700432, 21400864]

約数ペア:

[(1, 21400864), (2, 10700432), (4, 5350216), (8, 2675108), (16, 1337554), (32, 668777), (223, 95968), (446, 47984), (892, 23992), (1784, 11996), (2999, 7136), (3568, 5998)]