21870384

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{11113}}^1$

素因数の和:11165

約数の個数: 40

約数和(自身を含む): 57881712

約数和(自身を除く): 36011328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 11113, 22226, 33339, 44452, 66678, 88904, 133356, 177808, 266712, 455633, 533424, 911266, 1366899, 1822532, 2733798, 3645064, 5467596, 7290128, 10935192, 21870384]

約数ペア:

[(1, 21870384), (2, 10935192), (3, 7290128), (4, 5467596), (6, 3645064), (8, 2733798), (12, 1822532), (16, 1366899), (24, 911266), (41, 533424), (48, 455633), (82, 266712), (123, 177808), (164, 133356), (246, 88904), (328, 66678), (492, 44452), (656, 33339), (984, 22226), (1968, 11113)]