21477435

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29221}}^1$

素因数の和:29243

約数の個数: 24

約数和(自身を含む): 39975696

約数和(自身を除く): 18498261

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29221, 87663, 146105, 204547, 438315, 613641, 1022735, 1431829, 3068205, 4295487, 7159145, 21477435]

約数ペア:

[(1, 21477435), (3, 7159145), (5, 4295487), (7, 3068205), (15, 1431829), (21, 1022735), (35, 613641), (49, 438315), (105, 204547), (147, 146105), (245, 87663), (735, 29221)]