21620394

素因数分解:

$2^1\times 3^2\times {\mathrm{919}}^1\times {\mathrm{1307}}^1$

素因数の和:2234

約数の個数: 24

約数和(自身を含む): 46931040

約数和(自身を除く): 25310646

約数列:

[1, 2, 3, 6, 9, 18, 919, 1307, 1838, 2614, 2757, 3921, 5514, 7842, 8271, 11763, 16542, 23526, 1201133, 2402266, 3603399, 7206798, 10810197, 21620394]

約数ペア:

[(1, 21620394), (2, 10810197), (3, 7206798), (6, 3603399), (9, 2402266), (18, 1201133), (919, 23526), (1307, 16542), (1838, 11763), (2614, 8271), (2757, 7842), (3921, 5514)]