21088030

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10597}}^1$

素因数の和:10803

約数の個数: 16

約数和(自身を含む): 38152800

約数和(自身を除く): 17064770

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 10597, 21194, 52985, 105970, 2108803, 4217606, 10544015, 21088030]

約数ペア:

[(1, 21088030), (2, 10544015), (5, 4217606), (10, 2108803), (199, 105970), (398, 52985), (995, 21194), (1990, 10597)]