21499536

素因数分解:

$2^4\times 3^1\times {\mathrm{447907}}^1$

素因数の和:447918

約数の個数: 20

約数和(自身を含む): 55540592

約数和(自身を除く): 34041056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447907, 895814, 1343721, 1791628, 2687442, 3583256, 5374884, 7166512, 10749768, 21499536]

約数ペア:

[(1, 21499536), (2, 10749768), (3, 7166512), (4, 5374884), (6, 3583256), (8, 2687442), (12, 1791628), (16, 1343721), (24, 895814), (48, 447907)]