17721060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42193}}^1$

素因数の和:42212

約数の個数: 48

約数和(自身を含む): 56708736

約数和(自身を除く): 38987676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42193, 84386, 126579, 168772, 210965, 253158, 295351, 421930, 506316, 590702, 632895, 843860, 886053, 1181404, 1265790, 1476755, 1772106, 2531580, 2953510, 3544212, 4430265, 5907020, 8860530, 17721060]

約数ペア:

[(1, 17721060), (2, 8860530), (3, 5907020), (4, 4430265), (5, 3544212), (6, 2953510), (7, 2531580), (10, 1772106), (12, 1476755), (14, 1265790), (15, 1181404), (20, 886053), (21, 843860), (28, 632895), (30, 590702), (35, 506316), (42, 421930), (60, 295351), (70, 253158), (84, 210965), (105, 168772), (140, 126579), (210, 84386), (420, 42193)]