21727750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7901}}^1$

素因数の和:7929

約数の個数: 32

約数和(自身を含む): 44377632

約数和(自身を除く): 22649882

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7901, 15802, 39505, 79010, 86911, 173822, 197525, 395050, 434555, 869110, 987625, 1975250, 2172775, 4345550, 10863875, 21727750]

約数ペア:

[(1, 21727750), (2, 10863875), (5, 4345550), (10, 2172775), (11, 1975250), (22, 987625), (25, 869110), (50, 434555), (55, 395050), (110, 197525), (125, 173822), (250, 86911), (275, 79010), (550, 39505), (1375, 15802), (2750, 7901)]