21305097

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12659}}^1$

素因数の和:12693

約数の個数: 24

約数和(自身を含む): 35549280

約数和(自身を除く): 14244183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12659, 37977, 113931, 139249, 215203, 417747, 645609, 1253241, 1936827, 2367233, 7101699, 21305097]

約数ペア:

[(1, 21305097), (3, 7101699), (9, 2367233), (11, 1936827), (17, 1253241), (33, 645609), (51, 417747), (99, 215203), (153, 139249), (187, 113931), (561, 37977), (1683, 12659)]