21455565

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46141}}^1$

素因数の和:46180

約数の個数: 16

約数和(自身を含む): 35437056

約数和(自身を除く): 13981491

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 46141, 138423, 230705, 692115, 1430371, 4291113, 7151855, 21455565]

約数ペア:

[(1, 21455565), (3, 7151855), (5, 4291113), (15, 1430371), (31, 692115), (93, 230705), (155, 138423), (465, 46141)]