21521284

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 17992316

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 892, 1049, 2098, 4196, 5129, 10258, 20516, 24127, 48254, 96508, 233927, 467854, 935708, 5380321, 10760642, 21521284]

約数ペア:

[(1, 21521284), (2, 10760642), (4, 5380321), (23, 935708), (46, 467854), (92, 233927), (223, 96508), (446, 48254), (892, 24127), (1049, 20516), (2098, 10258), (4196, 5129)]