21528090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239201}}^1$

素因数の和:239214

約数の個数: 24

約数和(自身を含む): 55973268

約数和(自身を除く): 34445178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239201, 478402, 717603, 1196005, 1435206, 2152809, 2392010, 3588015, 4305618, 7176030, 10764045, 21528090]

約数ペア:

[(1, 21528090), (2, 10764045), (3, 7176030), (5, 4305618), (6, 3588015), (9, 2392010), (10, 2152809), (15, 1435206), (18, 1196005), (30, 717603), (45, 478402), (90, 239201)]