21193110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 57620160

約数和(自身を除く): 36427050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 265, 270, 318, 477, 530, 795, 954, 1431, 1481, 1590, 2385, 2862, 2962, 4443, 4770, 7155, 7405, 8886, 13329, 14310, 14810, 22215, 26658, 39987, 44430, 66645, 78493, 79974, 133290, 156986, 199935, 235479, 392465, 399870, 470958, 706437, 784930, 1177395, 1412874, 2119311, 2354790, 3532185, 4238622, 7064370, 10596555, 21193110]

約数ペア:

[(1, 21193110), (2, 10596555), (3, 7064370), (5, 4238622), (6, 3532185), (9, 2354790), (10, 2119311), (15, 1412874), (18, 1177395), (27, 784930), (30, 706437), (45, 470958), (53, 399870), (54, 392465), (90, 235479), (106, 199935), (135, 156986), (159, 133290), (265, 79974), (270, 78493), (318, 66645), (477, 44430), (530, 39987), (795, 26658), (954, 22215), (1431, 14810), (1481, 14310), (1590, 13329), (2385, 8886), (2862, 7405), (2962, 7155), (4443, 4770)]