21082428

素因数分解:

$2^2\times 3^2\times {\mathrm{313}}^1\times {\mathrm{1871}}^1$

素因数の和:2194

約数の個数: 36

約数和(自身を含む): 53490528

約数和(自身を除く): 32408100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 313, 626, 939, 1252, 1871, 1878, 2817, 3742, 3756, 5613, 5634, 7484, 11226, 11268, 16839, 22452, 33678, 67356, 585623, 1171246, 1756869, 2342492, 3513738, 5270607, 7027476, 10541214, 21082428]

約数ペア:

[(1, 21082428), (2, 10541214), (3, 7027476), (4, 5270607), (6, 3513738), (9, 2342492), (12, 1756869), (18, 1171246), (36, 585623), (313, 67356), (626, 33678), (939, 22452), (1252, 16839), (1871, 11268), (1878, 11226), (2817, 7484), (3742, 5634), (3756, 5613)]