21708928

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5516

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 22942592

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5471, 10942, 21884, 43768, 87536, 169601, 175072, 339202, 350144, 678404, 700288, 1356808, 2713616, 5427232, 10854464, 21708928]

約数ペア:

[(1, 21708928), (2, 10854464), (4, 5427232), (8, 2713616), (16, 1356808), (31, 700288), (32, 678404), (62, 350144), (64, 339202), (124, 175072), (128, 169601), (248, 87536), (496, 43768), (992, 21884), (1984, 10942), (3968, 5471)]