21044996836

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{235793}}^1$

素因数の和:236271

約数の個数: 24

約数和(自身を含む): 37612915704

約数和(自身を除く): 16567918868

約数列:

[1, 2, 4, 53, 106, 212, 421, 842, 1684, 22313, 44626, 89252, 235793, 471586, 943172, 12497029, 24994058, 49988116, 99268853, 198537706, 397075412, 5261249209, 10522498418, 21044996836]

約数ペア:

[(1, 21044996836), (2, 10522498418), (4, 5261249209), (53, 397075412), (106, 198537706), (212, 99268853), (421, 49988116), (842, 24994058), (1684, 12497029), (22313, 943172), (44626, 471586), (89252, 235793)]