21094978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^2$

素因数の和:274

約数の個数: 24

約数和(自身を含む): 34225200

約数和(自身を除く): 13130222

約数列:

[1, 2, 19, 38, 59, 97, 118, 194, 1121, 1843, 2242, 3686, 5723, 9409, 11446, 18818, 108737, 178771, 217474, 357542, 555131, 1110262, 10547489, 21094978]

約数ペア:

[(1, 21094978), (2, 10547489), (19, 1110262), (38, 555131), (59, 357542), (97, 217474), (118, 178771), (194, 108737), (1121, 18818), (1843, 11446), (2242, 9409), (3686, 5723)]