21597213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1021}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 31493952

約数和(自身を除く): 9896739

約数列:

[1, 3, 11, 33, 641, 1021, 1923, 3063, 7051, 11231, 21153, 33693, 654461, 1963383, 7199071, 21597213]

約数ペア:

[(1, 21597213), (3, 7199071), (11, 1963383), (33, 654461), (641, 33693), (1021, 21153), (1923, 11231), (3063, 7051)]