21353856

素因数分解:

$2^7\times 3^1\times {\mathrm{55609}}^1$

素因数の和:55626

約数の個数: 32

約数和(自身を含む): 56722200

約数和(自身を除く): 35368344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55609, 111218, 166827, 222436, 333654, 444872, 667308, 889744, 1334616, 1779488, 2669232, 3558976, 5338464, 7117952, 10676928, 21353856]

約数ペア:

[(1, 21353856), (2, 10676928), (3, 7117952), (4, 5338464), (6, 3558976), (8, 2669232), (12, 1779488), (16, 1334616), (24, 889744), (32, 667308), (48, 444872), (64, 333654), (96, 222436), (128, 166827), (192, 111218), (384, 55609)]