21531772

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{827}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 39505536

約数和(自身を除く): 17973764

約数列:

[1, 2, 4, 23, 46, 92, 283, 566, 827, 1132, 1654, 3308, 6509, 13018, 19021, 26036, 38042, 76084, 234041, 468082, 936164, 5382943, 10765886, 21531772]

約数ペア:

[(1, 21531772), (2, 10765886), (4, 5382943), (23, 936164), (46, 468082), (92, 234041), (283, 76084), (566, 38042), (827, 26036), (1132, 19021), (1654, 13018), (3308, 6509)]