21887744

素因数分解:

$2^8\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:652

約数の個数: 36

約数和(自身を含む): 44015496

約数和(自身を除く): 22127752

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 193, 256, 386, 443, 772, 886, 1544, 1772, 3088, 3544, 6176, 7088, 12352, 14176, 24704, 28352, 49408, 56704, 85499, 113408, 170998, 341996, 683992, 1367984, 2735968, 5471936, 10943872, 21887744]

約数ペア:

[(1, 21887744), (2, 10943872), (4, 5471936), (8, 2735968), (16, 1367984), (32, 683992), (64, 341996), (128, 170998), (193, 113408), (256, 85499), (386, 56704), (443, 49408), (772, 28352), (886, 24704), (1544, 14176), (1772, 12352), (3088, 7088), (3544, 6176)]