21757138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1747}}^1$

素因数の和:2241

約数の個数: 16

約数和(自身を含む): 35239680

約数和(自身を除く): 13482542

約数列:

[1, 2, 13, 26, 479, 958, 1747, 3494, 6227, 12454, 22711, 45422, 836813, 1673626, 10878569, 21757138]

約数ペア:

[(1, 21757138), (2, 10878569), (13, 1673626), (26, 836813), (479, 45422), (958, 22711), (1747, 12454), (3494, 6227)]