21970184

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 42444000

約数和(自身を除く): 20473816

約数列:

[1, 2, 4, 8, 59, 89, 118, 178, 236, 356, 472, 523, 712, 1046, 2092, 4184, 5251, 10502, 21004, 30857, 42008, 46547, 61714, 93094, 123428, 186188, 246856, 372376, 2746273, 5492546, 10985092, 21970184]

約数ペア:

[(1, 21970184), (2, 10985092), (4, 5492546), (8, 2746273), (59, 372376), (89, 246856), (118, 186188), (178, 123428), (236, 93094), (356, 61714), (472, 46547), (523, 42008), (712, 30857), (1046, 21004), (2092, 10502), (4184, 5251)]