21303543

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{5233}}^1$

素因数の和:5318

約数の個数: 16

約数和(自身を含む): 30147840

約数和(自身を除く): 8844297

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 5233, 15699, 120359, 308747, 361077, 926241, 7101181, 21303543]

約数ペア:

[(1, 21303543), (3, 7101181), (23, 926241), (59, 361077), (69, 308747), (177, 120359), (1357, 15699), (4071, 5233)]