221320010

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{104891}}^1$

素因数の和:105109

約数の個数: 16

約数和(自身を含む): 400267872

約数和(自身を除く): 178947862

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 104891, 209782, 524455, 1048910, 22132001, 44264002, 110660005, 221320010]

約数ペア:

[(1, 221320010), (2, 110660005), (5, 44264002), (10, 22132001), (211, 1048910), (422, 524455), (1055, 209782), (2110, 104891)]