21972764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{887}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 42069888

約数和(自身を除く): 20097124

約数列:

[1, 2, 4, 11, 22, 44, 563, 887, 1126, 1774, 2252, 3548, 6193, 9757, 12386, 19514, 24772, 39028, 499381, 998762, 1997524, 5493191, 10986382, 21972764]

約数ペア:

[(1, 21972764), (2, 10986382), (4, 5493191), (11, 1997524), (22, 998762), (44, 499381), (563, 39028), (887, 24772), (1126, 19514), (1774, 12386), (2252, 9757), (3548, 6193)]