21622276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2551}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 41015744

約数和(自身を除く): 19393468

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2551, 4238, 5102, 8476, 10204, 33163, 66326, 132652, 415813, 831626, 1663252, 5405569, 10811138, 21622276]

約数ペア:

[(1, 21622276), (2, 10811138), (4, 5405569), (13, 1663252), (26, 831626), (52, 415813), (163, 132652), (326, 66326), (652, 33163), (2119, 10204), (2551, 8476), (4238, 5102)]