21082710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2203}}^1$

素因数の和:2253

約数の個数: 64

約数和(自身を含む): 57127680

約数和(自身を除く): 36044970

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 2203, 3190, 4406, 4785, 6609, 9570, 11015, 13218, 22030, 24233, 33045, 48466, 63887, 66090, 72699, 121165, 127774, 145398, 191661, 242330, 319435, 363495, 383322, 638870, 702757, 726990, 958305, 1405514, 1916610, 2108271, 3513785, 4216542, 7027570, 10541355, 21082710]

約数ペア:

[(1, 21082710), (2, 10541355), (3, 7027570), (5, 4216542), (6, 3513785), (10, 2108271), (11, 1916610), (15, 1405514), (22, 958305), (29, 726990), (30, 702757), (33, 638870), (55, 383322), (58, 363495), (66, 319435), (87, 242330), (110, 191661), (145, 145398), (165, 127774), (174, 121165), (290, 72699), (319, 66090), (330, 63887), (435, 48466), (638, 33045), (870, 24233), (957, 22030), (1595, 13218), (1914, 11015), (2203, 9570), (3190, 6609), (4406, 4785)]