21063191

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 22963200

約数和(自身を除く): 1900009

約数列:

[1, 19, 47, 103, 229, 893, 1957, 4351, 4841, 10763, 23587, 91979, 204497, 448153, 1108589, 21063191]

約数ペア:

[(1, 21063191), (19, 1108589), (47, 448153), (103, 204497), (229, 91979), (893, 23587), (1957, 10763), (4351, 4841)]