21165804

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 108

約数和(自身を含む): 60708648

約数和(自身を除く): 39542844

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 113, 121, 129, 132, 172, 198, 226, 242, 258, 339, 363, 387, 396, 452, 473, 484, 516, 678, 726, 774, 946, 1017, 1089, 1243, 1356, 1419, 1452, 1548, 1892, 2034, 2178, 2486, 2838, 3729, 4068, 4257, 4356, 4859, 4972, 5203, 5676, 7458, 8514, 9718, 10406, 11187, 13673, 14577, 14916, 15609, 17028, 19436, 20812, 22374, 27346, 29154, 31218, 41019, 43731, 44748, 46827, 53449, 54692, 58308, 62436, 82038, 87462, 93654, 106898, 123057, 160347, 164076, 174924, 187308, 213796, 246114, 320694, 481041, 492228, 587939, 641388, 962082, 1175878, 1763817, 1924164, 2351756, 3527634, 5291451, 7055268, 10582902, 21165804]

約数ペア:

[(1, 21165804), (2, 10582902), (3, 7055268), (4, 5291451), (6, 3527634), (9, 2351756), (11, 1924164), (12, 1763817), (18, 1175878), (22, 962082), (33, 641388), (36, 587939), (43, 492228), (44, 481041), (66, 320694), (86, 246114), (99, 213796), (113, 187308), (121, 174924), (129, 164076), (132, 160347), (172, 123057), (198, 106898), (226, 93654), (242, 87462), (258, 82038), (339, 62436), (363, 58308), (387, 54692), (396, 53449), (452, 46827), (473, 44748), (484, 43731), (516, 41019), (678, 31218), (726, 29154), (774, 27346), (946, 22374), (1017, 20812), (1089, 19436), (1243, 17028), (1356, 15609), (1419, 14916), (1452, 14577), (1548, 13673), (1892, 11187), (2034, 10406), (2178, 9718), (2486, 8514), (2838, 7458), (3729, 5676), (4068, 5203), (4257, 4972), (4356, 4859)]