21083130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3209}}^1$

素因数の和:3295

約数の個数: 48

約数和(自身を含む): 55584360

約数和(自身を除く): 34501230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3209, 3285, 6418, 6570, 9627, 16045, 19254, 28881, 32090, 48135, 57762, 96270, 144405, 234257, 288810, 468514, 702771, 1171285, 1405542, 2108313, 2342570, 3513855, 4216626, 7027710, 10541565, 21083130]

約数ペア:

[(1, 21083130), (2, 10541565), (3, 7027710), (5, 4216626), (6, 3513855), (9, 2342570), (10, 2108313), (15, 1405542), (18, 1171285), (30, 702771), (45, 468514), (73, 288810), (90, 234257), (146, 144405), (219, 96270), (365, 57762), (438, 48135), (657, 32090), (730, 28881), (1095, 19254), (1314, 16045), (2190, 9627), (3209, 6570), (3285, 6418)]