21507435

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10169}}^1$

素因数の和:10227

約数の個数: 24

約数和(自身を含む): 38076480

約数和(自身を除く): 16569045

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 10169, 30507, 50845, 91521, 152535, 457605, 477943, 1433829, 2389715, 4301487, 7169145, 21507435]

約数ペア:

[(1, 21507435), (3, 7169145), (5, 4301487), (9, 2389715), (15, 1433829), (45, 477943), (47, 457605), (141, 152535), (235, 91521), (423, 50845), (705, 30507), (2115, 10169)]