21798177

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4987}}^1$

素因数の和:5068

約数の個数: 16

約数和(自身を含む): 30646272

約数和(自身を除く): 8848095

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4987, 14961, 154597, 234389, 463791, 703167, 7266059, 21798177]

約数ペア:

[(1, 21798177), (3, 7266059), (31, 703167), (47, 463791), (93, 234389), (141, 154597), (1457, 14961), (4371, 4987)]