21587536

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25457}}^1$

素因数の和:25518

約数の個数: 20

約数和(自身を含む): 42616692

約数和(自身を除く): 21029156

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25457, 50914, 101828, 203656, 407312, 1349221, 2698442, 5396884, 10793768, 21587536]

約数ペア:

[(1, 21587536), (2, 10793768), (4, 5396884), (8, 2698442), (16, 1349221), (53, 407312), (106, 203656), (212, 101828), (424, 50914), (848, 25457)]