21031396022

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{153871}}^1$

素因数の和:154644

約数の個数: 32

約数和(自身を含む): 38879145984

約数和(自身を除く): 17847749962

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 751, 1502, 5257, 9763, 10514, 19526, 68341, 136682, 153871, 307742, 1077097, 2000323, 2154194, 4000646, 14002261, 28004522, 115557121, 231114242, 808899847, 1502242573, 1617799694, 3004485146, 10515698011, 21031396022]

約数ペア:

[(1, 21031396022), (2, 10515698011), (7, 3004485146), (13, 1617799694), (14, 1502242573), (26, 808899847), (91, 231114242), (182, 115557121), (751, 28004522), (1502, 14002261), (5257, 4000646), (9763, 2154194), (10514, 2000323), (19526, 1077097), (68341, 307742), (136682, 153871)]