21864724

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26927}}^1$

素因数の和:26967

約数の個数: 24

約数和(自身を含む): 45239040

約数和(自身を除く): 23374316

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26927, 53854, 107708, 188489, 376978, 753956, 780883, 1561766, 3123532, 5466181, 10932362, 21864724]

約数ペア:

[(1, 21864724), (2, 10932362), (4, 5466181), (7, 3123532), (14, 1561766), (28, 780883), (29, 753956), (58, 376978), (116, 188489), (203, 107708), (406, 53854), (812, 26927)]