42107990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221621}}^1$

素因数の和:221647

約数の個数: 16

約数和(自身を含む): 79783920

約数和(自身を除く): 37675930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 221621, 443242, 1108105, 2216210, 4210799, 8421598, 21053995, 42107990]

約数ペア:

[(1, 42107990), (2, 21053995), (5, 8421598), (10, 4210799), (19, 2216210), (38, 1108105), (95, 443242), (190, 221621)]