21611271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4337}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 31650048

約数和(自身を除く): 10038777

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4337, 4983, 13011, 47707, 143121, 654887, 1964661, 7203757, 21611271]

約数ペア:

[(1, 21611271), (3, 7203757), (11, 1964661), (33, 654887), (151, 143121), (453, 47707), (1661, 13011), (4337, 4983)]