21596535

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11161}}^1$

素因数の和:11215

約数の個数: 24

約数和(自身を含む): 38307984

約数和(自身を除く): 16711449

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 11161, 33483, 55805, 100449, 167415, 479923, 502245, 1439769, 2399615, 4319307, 7198845, 21596535]

約数ペア:

[(1, 21596535), (3, 7198845), (5, 4319307), (9, 2399615), (15, 1439769), (43, 502245), (45, 479923), (129, 167415), (215, 100449), (387, 55805), (645, 33483), (1935, 11161)]