21041600

素因数分解:

$2^6\times 5^2\times {\mathrm{13151}}^1$

素因数の和:13173

約数の個数: 42

約数和(自身を含む): 51779424

約数和(自身を除く): 30737824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13151, 26302, 52604, 65755, 105208, 131510, 210416, 263020, 328775, 420832, 526040, 657550, 841664, 1052080, 1315100, 2104160, 2630200, 4208320, 5260400, 10520800, 21041600]

約数ペア:

[(1, 21041600), (2, 10520800), (4, 5260400), (5, 4208320), (8, 2630200), (10, 2104160), (16, 1315100), (20, 1052080), (25, 841664), (32, 657550), (40, 526040), (50, 420832), (64, 328775), (80, 263020), (100, 210416), (160, 131510), (200, 105208), (320, 65755), (400, 52604), (800, 26302), (1600, 13151)]