21239907494

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{706067}}^1$

素因数の和:706184

約数の個数: 24

約数和(自身を含む): 34886819880

約数和(自身を除く): 13646912386

約数列:

[1, 2, 13, 26, 89, 169, 178, 338, 1157, 2314, 15041, 30082, 706067, 1412134, 9178871, 18357742, 62839963, 119325323, 125679926, 238650646, 816919519, 1633839038, 10619953747, 21239907494]

約数ペア:

[(1, 21239907494), (2, 10619953747), (13, 1633839038), (26, 816919519), (89, 238650646), (169, 125679926), (178, 119325323), (338, 62839963), (1157, 18357742), (2314, 9178871), (15041, 1412134), (30082, 706067)]