21531816

素因数分解:

$2^3\times 3^2\times {\mathrm{299053}}^1$

素因数の和:299065

約数の個数: 24

約数和(自身を含む): 58315530

約数和(自身を除く): 36783714

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 299053, 598106, 897159, 1196212, 1794318, 2392424, 2691477, 3588636, 5382954, 7177272, 10765908, 21531816]

約数ペア:

[(1, 21531816), (2, 10765908), (3, 7177272), (4, 5382954), (6, 3588636), (8, 2691477), (9, 2392424), (12, 1794318), (18, 1196212), (24, 897159), (36, 598106), (72, 299053)]