21176089

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 25067840

約数和(自身を除く): 3891751

約数列:

[1, 11, 19, 61, 121, 151, 209, 671, 1159, 1661, 2299, 2869, 7381, 9211, 12749, 18271, 31559, 101321, 140239, 175009, 347149, 1114531, 1925099, 21176089]

約数ペア:

[(1, 21176089), (11, 1925099), (19, 1114531), (61, 347149), (121, 175009), (151, 140239), (209, 101321), (671, 31559), (1159, 18271), (1661, 12749), (2299, 9211), (2869, 7381)]