21596463

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 16213617

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 929, 1107, 2583, 2787, 3321, 6503, 7749, 8361, 19509, 23247, 25083, 38089, 58527, 75249, 114267, 175581, 266623, 342801, 526743, 799869, 1028403, 2399607, 3085209, 7198821, 21596463]

約数ペア:

[(1, 21596463), (3, 7198821), (7, 3085209), (9, 2399607), (21, 1028403), (27, 799869), (41, 526743), (63, 342801), (81, 266623), (123, 175581), (189, 114267), (287, 75249), (369, 58527), (567, 38089), (861, 25083), (929, 23247), (1107, 19509), (2583, 8361), (2787, 7749), (3321, 6503)]