21985938

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31319}}^1$

素因数の和:31343

約数の個数: 32

約数和(自身を含む): 52617600

約数和(自身を除く): 30631662

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 31319, 62638, 93957, 187914, 281871, 407147, 563742, 814294, 845613, 1221441, 1691226, 2442882, 3664323, 7328646, 10992969, 21985938]

約数ペア:

[(1, 21985938), (2, 10992969), (3, 7328646), (6, 3664323), (9, 2442882), (13, 1691226), (18, 1221441), (26, 845613), (27, 814294), (39, 563742), (54, 407147), (78, 281871), (117, 187914), (234, 93957), (351, 62638), (702, 31319)]