21267210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708907}}^1$

素因数の和:708917

約数の個数: 16

約数和(自身を含む): 51041376

約数和(自身を除く): 29774166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708907, 1417814, 2126721, 3544535, 4253442, 7089070, 10633605, 21267210]

約数ペア:

[(1, 21267210), (2, 10633605), (3, 7089070), (5, 4253442), (6, 3544535), (10, 2126721), (15, 1417814), (30, 708907)]