21659484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2131}}^1$

素因数の和:2167

約数の個数: 72

約数和(自身を含む): 63516544

約数和(自身を除く): 41857060

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2131, 2541, 3388, 4262, 5082, 6393, 8524, 10164, 12786, 14917, 23441, 25572, 29834, 44751, 46882, 59668, 70323, 89502, 93764, 140646, 164087, 179004, 257851, 281292, 328174, 492261, 515702, 656348, 773553, 984522, 1031404, 1547106, 1804957, 1969044, 3094212, 3609914, 5414871, 7219828, 10829742, 21659484]

約数ペア:

[(1, 21659484), (2, 10829742), (3, 7219828), (4, 5414871), (6, 3609914), (7, 3094212), (11, 1969044), (12, 1804957), (14, 1547106), (21, 1031404), (22, 984522), (28, 773553), (33, 656348), (42, 515702), (44, 492261), (66, 328174), (77, 281292), (84, 257851), (121, 179004), (132, 164087), (154, 140646), (231, 93764), (242, 89502), (308, 70323), (363, 59668), (462, 46882), (484, 44751), (726, 29834), (847, 25572), (924, 23441), (1452, 14917), (1694, 12786), (2131, 10164), (2541, 8524), (3388, 6393), (4262, 5082)]