21847808

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2800

約数の個数: 36

約数和(自身を含む): 45033408

約数和(自身を除く): 23185600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2753, 3968, 5506, 7936, 11012, 22024, 44048, 85343, 88096, 170686, 176192, 341372, 352384, 682744, 704768, 1365488, 2730976, 5461952, 10923904, 21847808]

約数ペア:

[(1, 21847808), (2, 10923904), (4, 5461952), (8, 2730976), (16, 1365488), (31, 704768), (32, 682744), (62, 352384), (64, 341372), (124, 176192), (128, 170686), (248, 88096), (256, 85343), (496, 44048), (992, 22024), (1984, 11012), (2753, 7936), (3968, 5506)]