21611447

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1295

約数の個数: 16

約数和(自身を含む): 25620000

約数和(自身を除く): 4008553

約数列:

[1, 11, 13, 121, 143, 1249, 1331, 1573, 13739, 16237, 17303, 151129, 178607, 1662419, 1964677, 21611447]

約数ペア:

[(1, 21611447), (11, 1964677), (13, 1662419), (121, 178607), (143, 151129), (1249, 17303), (1331, 16237), (1573, 13739)]