21858030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242867}}^1$

素因数の和:242880

約数の個数: 24

約数和(自身を含む): 56831112

約数和(自身を除く): 34973082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242867, 485734, 728601, 1214335, 1457202, 2185803, 2428670, 3643005, 4371606, 7286010, 10929015, 21858030]

約数ペア:

[(1, 21858030), (2, 10929015), (3, 7286010), (5, 4371606), (6, 3643005), (9, 2428670), (10, 2185803), (15, 1457202), (18, 1214335), (30, 728601), (45, 485734), (90, 242867)]