21348104

素因数分解:

$2^3\times {\mathrm{1117}}^1\times {\mathrm{2389}}^1$

素因数の和:3512

約数の個数: 16

約数和(自身を含む): 40080300

約数和(自身を除く): 18732196

約数列:

[1, 2, 4, 8, 1117, 2234, 2389, 4468, 4778, 8936, 9556, 19112, 2668513, 5337026, 10674052, 21348104]

約数ペア:

[(1, 21348104), (2, 10674052), (4, 5337026), (8, 2668513), (1117, 19112), (2234, 9556), (2389, 8936), (4468, 4778)]