21973060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13907}}^1$

素因数の和:13995

約数の個数: 24

約数和(自身を含む): 46730880

約数和(自身を除く): 24757820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 13907, 27814, 55628, 69535, 139070, 278140, 1098653, 2197306, 4394612, 5493265, 10986530, 21973060]

約数ペア:

[(1, 21973060), (2, 10986530), (4, 5493265), (5, 4394612), (10, 2197306), (20, 1098653), (79, 278140), (158, 139070), (316, 69535), (395, 55628), (790, 27814), (1580, 13907)]