21445952

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:807

約数の個数: 56

約数和(自身を含む): 47621952

約数和(自身を除く): 26176000

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 164, 176, 328, 352, 451, 656, 704, 743, 902, 1312, 1486, 1804, 2624, 2972, 3608, 5944, 7216, 8173, 11888, 14432, 16346, 23776, 28864, 30463, 32692, 47552, 60926, 65384, 121852, 130768, 243704, 261536, 335093, 487408, 523072, 670186, 974816, 1340372, 1949632, 2680744, 5361488, 10722976, 21445952]

約数ペア:

[(1, 21445952), (2, 10722976), (4, 5361488), (8, 2680744), (11, 1949632), (16, 1340372), (22, 974816), (32, 670186), (41, 523072), (44, 487408), (64, 335093), (82, 261536), (88, 243704), (164, 130768), (176, 121852), (328, 65384), (352, 60926), (451, 47552), (656, 32692), (704, 30463), (743, 28864), (902, 23776), (1312, 16346), (1486, 14432), (1804, 11888), (2624, 8173), (2972, 7216), (3608, 5944)]