21496031307

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{601}}^1\times {\mathrm{47881}}^1$

素因数の和:48571

約数の個数: 24

約数和(自身を含む): 31476860688

約数和(自身を除く): 9980829381

約数列:

[1, 3, 9, 83, 249, 601, 747, 1803, 5409, 47881, 49883, 143643, 149649, 430929, 448947, 3974123, 11922369, 28776481, 35767107, 86329443, 258988329, 2388447923, 7165343769, 21496031307]

約数ペア:

[(1, 21496031307), (3, 7165343769), (9, 2388447923), (83, 258988329), (249, 86329443), (601, 35767107), (747, 28776481), (1803, 11922369), (5409, 3974123), (47881, 448947), (49883, 430929), (143643, 149649)]