21958912

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2814

約数の個数: 36

約数和(自身を含む): 45262336

約数和(自身を除く): 23303424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2767, 3968, 5534, 7936, 11068, 22136, 44272, 85777, 88544, 171554, 177088, 343108, 354176, 686216, 708352, 1372432, 2744864, 5489728, 10979456, 21958912]

約数ペア:

[(1, 21958912), (2, 10979456), (4, 5489728), (8, 2744864), (16, 1372432), (31, 708352), (32, 686216), (62, 354176), (64, 343108), (124, 177088), (128, 171554), (248, 88544), (256, 85777), (496, 44272), (992, 22136), (1984, 11068), (2767, 7936), (3968, 5534)]