21918848

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1477

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 30957952

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1439, 1904, 2176, 2878, 3808, 5756, 7616, 10073, 11512, 15232, 20146, 23024, 24463, 40292, 46048, 48926, 80584, 92096, 97852, 161168, 171241, 184192, 195704, 322336, 342482, 391408, 644672, 684964, 782816, 1289344, 1369928, 1565632, 2739856, 3131264, 5479712, 10959424, 21918848]

約数ペア:

[(1, 21918848), (2, 10959424), (4, 5479712), (7, 3131264), (8, 2739856), (14, 1565632), (16, 1369928), (17, 1289344), (28, 782816), (32, 684964), (34, 644672), (56, 391408), (64, 342482), (68, 322336), (112, 195704), (119, 184192), (128, 171241), (136, 161168), (224, 97852), (238, 92096), (272, 80584), (448, 48926), (476, 46048), (544, 40292), (896, 24463), (952, 23024), (1088, 20146), (1439, 15232), (1904, 11512), (2176, 10073), (2878, 7616), (3808, 5756)]