21427288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4861}}^1$

素因数の和:4915

約数の個数: 32

約数和(自身を含む): 43758000

約数和(自身を除く): 22330712

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4861, 9722, 19444, 38888, 92359, 140969, 184718, 281938, 369436, 563876, 738872, 1127752, 2678411, 5356822, 10713644, 21427288]

約数ペア:

[(1, 21427288), (2, 10713644), (4, 5356822), (8, 2678411), (19, 1127752), (29, 738872), (38, 563876), (58, 369436), (76, 281938), (116, 184718), (152, 140969), (232, 92359), (551, 38888), (1102, 19444), (2204, 9722), (4408, 4861)]