21752432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104579}}^1$

素因数の和:104600

約数の個数: 20

約数和(自身を含む): 45387720

約数和(自身を除く): 23635288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104579, 209158, 418316, 836632, 1359527, 1673264, 2719054, 5438108, 10876216, 21752432]

約数ペア:

[(1, 21752432), (2, 10876216), (4, 5438108), (8, 2719054), (13, 1673264), (16, 1359527), (26, 836632), (52, 418316), (104, 209158), (208, 104579)]