21043669420

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1611307}}^1$

素因数の和:1611969

約数の個数: 24

約数和(自身を含む): 44259408144

約数和(自身を除く): 23215738724

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 1611307, 3222614, 6445228, 8056535, 16113070, 32226140, 1052183471, 2104366942, 4208733884, 5260917355, 10521834710, 21043669420]

約数ペア:

[(1, 21043669420), (2, 10521834710), (4, 5260917355), (5, 4208733884), (10, 2104366942), (20, 1052183471), (653, 32226140), (1306, 16113070), (2612, 8056535), (3265, 6445228), (6530, 3222614), (13060, 1611307)]