21727245

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3457}}^1$

素因数の和:3884

約数の個数: 16

約数和(自身を含む): 34856640

約数和(自身を除く): 13129395

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 3457, 6285, 10371, 17285, 51855, 1448483, 4345449, 7242415, 21727245]

約数ペア:

[(1, 21727245), (3, 7242415), (5, 4345449), (15, 1448483), (419, 51855), (1257, 17285), (2095, 10371), (3457, 6285)]