21222176

素因数分解:

$2^5\times {\mathrm{683}}^1\times {\mathrm{971}}^1$

素因数の和:1664

約数の個数: 24

約数和(自身を含む): 41885424

約数和(自身を除く): 20663248

約数列:

[1, 2, 4, 8, 16, 32, 683, 971, 1366, 1942, 2732, 3884, 5464, 7768, 10928, 15536, 21856, 31072, 663193, 1326386, 2652772, 5305544, 10611088, 21222176]

約数ペア:

[(1, 21222176), (2, 10611088), (4, 5305544), (8, 2652772), (16, 1326386), (32, 663193), (683, 31072), (971, 21856), (1366, 15536), (1942, 10928), (2732, 7768), (3884, 5464)]