21672928

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16519}}^1$

素因数の和:16570

約数の個数: 24

約数和(自身を含む): 43711920

約数和(自身を除く): 22038992

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16519, 33038, 66076, 132152, 264304, 528608, 677279, 1354558, 2709116, 5418232, 10836464, 21672928]

約数ペア:

[(1, 21672928), (2, 10836464), (4, 5418232), (8, 2709116), (16, 1354558), (32, 677279), (41, 528608), (82, 264304), (164, 132152), (328, 66076), (656, 33038), (1312, 16519)]