21589984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51899}}^1$

素因数の和:51922

約数の個数: 24

約数和(自身を含む): 45775800

約数和(自身を除く): 24185816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51899, 103798, 207596, 415192, 674687, 830384, 1349374, 1660768, 2698748, 5397496, 10794992, 21589984]

約数ペア:

[(1, 21589984), (2, 10794992), (4, 5397496), (8, 2698748), (13, 1660768), (16, 1349374), (26, 830384), (32, 674687), (52, 415192), (104, 207596), (208, 103798), (416, 51899)]