21930435

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10369}}^1$

素因数の和:10427

約数の個数: 24

約数和(自身を含む): 38825280

約数和(自身を除く): 16894845

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 10369, 31107, 51845, 93321, 155535, 466605, 487343, 1462029, 2436715, 4386087, 7310145, 21930435]

約数ペア:

[(1, 21930435), (3, 7310145), (5, 4386087), (9, 2436715), (15, 1462029), (45, 487343), (47, 466605), (141, 155535), (235, 93321), (423, 51845), (705, 31107), (2115, 10369)]