21175550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38501}}^1$

素因数の和:38524

約数の個数: 24

約数和(自身を含む): 42968232

約数和(自身を除く): 21792682

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38501, 77002, 192505, 385010, 423511, 847022, 962525, 1925050, 2117555, 4235110, 10587775, 21175550]

約数ペア:

[(1, 21175550), (2, 10587775), (5, 4235110), (10, 2117555), (11, 1925050), (22, 962525), (25, 847022), (50, 423511), (55, 385010), (110, 192505), (275, 77002), (550, 38501)]