21925640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49831}}^1$

素因数の和:49853

約数の個数: 32

約数和(自身を含む): 53818560

約数和(自身を除く): 31892920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49831, 99662, 199324, 249155, 398648, 498310, 548141, 996620, 1096282, 1993240, 2192564, 2740705, 4385128, 5481410, 10962820, 21925640]

約数ペア:

[(1, 21925640), (2, 10962820), (4, 5481410), (5, 4385128), (8, 2740705), (10, 2192564), (11, 1993240), (20, 1096282), (22, 996620), (40, 548141), (44, 498310), (55, 398648), (88, 249155), (110, 199324), (220, 99662), (440, 49831)]