21130060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150929}}^1$

素因数の和:150945

約数の個数: 24

約数和(自身を含む): 50712480

約数和(自身を除く): 29582420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150929, 301858, 603716, 754645, 1056503, 1509290, 2113006, 3018580, 4226012, 5282515, 10565030, 21130060]

約数ペア:

[(1, 21130060), (2, 10565030), (4, 5282515), (5, 4226012), (7, 3018580), (10, 2113006), (14, 1509290), (20, 1056503), (28, 754645), (35, 603716), (70, 301858), (140, 150929)]