21752804080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38844293}}^1$

素因数の和:38844313

約数の個数: 40

約数和(自身を含む): 57800309472

約数和(自身を除く): 36047505392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38844293, 77688586, 155377172, 194221465, 271910051, 310754344, 388442930, 543820102, 621508688, 776885860, 1087640204, 1359550255, 1553771720, 2175280408, 2719100510, 3107543440, 4350560816, 5438201020, 10876402040, 21752804080]

約数ペア:

[(1, 21752804080), (2, 10876402040), (4, 5438201020), (5, 4350560816), (7, 3107543440), (8, 2719100510), (10, 2175280408), (14, 1553771720), (16, 1359550255), (20, 1087640204), (28, 776885860), (35, 621508688), (40, 543820102), (56, 388442930), (70, 310754344), (80, 271910051), (112, 194221465), (140, 155377172), (280, 77688586), (560, 38844293)]