21991752

素因数分解:

$2^3\times 3^2\times {\mathrm{305441}}^1$

素因数の和:305453

約数の個数: 24

約数和(自身を含む): 59561190

約数和(自身を除く): 37569438

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305441, 610882, 916323, 1221764, 1832646, 2443528, 2748969, 3665292, 5497938, 7330584, 10995876, 21991752]

約数ペア:

[(1, 21991752), (2, 10995876), (3, 7330584), (4, 5497938), (6, 3665292), (8, 2748969), (9, 2443528), (12, 1832646), (18, 1221764), (24, 916323), (36, 610882), (72, 305441)]