21726786609

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3091021}}^1$

素因数の和:3091109

約数の個数: 24

約数和(自身を含む): 34718359104

約数和(自身を除く): 12991572495

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 3091021, 9273063, 27819189, 34001231, 102003693, 219462491, 306011079, 658387473, 1975162419, 2414087401, 7242262203, 21726786609]

約数ペア:

[(1, 21726786609), (3, 7242262203), (9, 2414087401), (11, 1975162419), (33, 658387473), (71, 306011079), (99, 219462491), (213, 102003693), (639, 34001231), (781, 27819189), (2343, 9273063), (7029, 3091021)]