21309948

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53813}}^1$

素因数の和:53834

約数の個数: 36

約数和(自身を含む): 58764888

約数和(自身を除く): 37454940

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53813, 107626, 161439, 215252, 322878, 484317, 591943, 645756, 968634, 1183886, 1775829, 1937268, 2367772, 3551658, 5327487, 7103316, 10654974, 21309948]

約数ペア:

[(1, 21309948), (2, 10654974), (3, 7103316), (4, 5327487), (6, 3551658), (9, 2367772), (11, 1937268), (12, 1775829), (18, 1183886), (22, 968634), (33, 645756), (36, 591943), (44, 484317), (66, 322878), (99, 215252), (132, 161439), (198, 107626), (396, 53813)]