21385836

素因数分解:

$2^2\times 3^3\times {\mathrm{198017}}^1$

素因数の和:198030

約数の個数: 24

約数和(自身を含む): 55445040

約数和(自身を除く): 34059204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 198017, 396034, 594051, 792068, 1188102, 1782153, 2376204, 3564306, 5346459, 7128612, 10692918, 21385836]

約数ペア:

[(1, 21385836), (2, 10692918), (3, 7128612), (4, 5346459), (6, 3564306), (9, 2376204), (12, 1782153), (18, 1188102), (27, 792068), (36, 594051), (54, 396034), (108, 198017)]