21447756

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 60632208

約数和(自身を除く): 39184452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 82, 99, 123, 132, 164, 198, 246, 369, 396, 451, 492, 738, 902, 1321, 1353, 1476, 1804, 2642, 2706, 3963, 4059, 5284, 5412, 7926, 8118, 11889, 14531, 15852, 16236, 23778, 29062, 43593, 47556, 54161, 58124, 87186, 108322, 130779, 162483, 174372, 216644, 261558, 324966, 487449, 523116, 595771, 649932, 974898, 1191542, 1787313, 1949796, 2383084, 3574626, 5361939, 7149252, 10723878, 21447756]

約数ペア:

[(1, 21447756), (2, 10723878), (3, 7149252), (4, 5361939), (6, 3574626), (9, 2383084), (11, 1949796), (12, 1787313), (18, 1191542), (22, 974898), (33, 649932), (36, 595771), (41, 523116), (44, 487449), (66, 324966), (82, 261558), (99, 216644), (123, 174372), (132, 162483), (164, 130779), (198, 108322), (246, 87186), (369, 58124), (396, 54161), (451, 47556), (492, 43593), (738, 29062), (902, 23778), (1321, 16236), (1353, 15852), (1476, 14531), (1804, 11889), (2642, 8118), (2706, 7926), (3963, 5412), (4059, 5284)]