21589740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13327}}^1$

素因数の和:13348

約数の個数: 60

約数和(自身を含む): 67732896

約数和(自身を除く): 46143156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13327, 26654, 39981, 53308, 66635, 79962, 119943, 133270, 159924, 199905, 239886, 266540, 359829, 399810, 479772, 599715, 719658, 799620, 1079487, 1199430, 1439316, 1799145, 2158974, 2398860, 3598290, 4317948, 5397435, 7196580, 10794870, 21589740]

約数ペア:

[(1, 21589740), (2, 10794870), (3, 7196580), (4, 5397435), (5, 4317948), (6, 3598290), (9, 2398860), (10, 2158974), (12, 1799145), (15, 1439316), (18, 1199430), (20, 1079487), (27, 799620), (30, 719658), (36, 599715), (45, 479772), (54, 399810), (60, 359829), (81, 266540), (90, 239886), (108, 199905), (135, 159924), (162, 133270), (180, 119943), (270, 79962), (324, 66635), (405, 53308), (540, 39981), (810, 26654), (1620, 13327)]