21000700040

素因数分解:

$2^3\times 5^1\times {\mathrm{525017501}}^1$

素因数の和:525017512

約数の個数: 16

約数和(自身を含む): 47251575180

約数和(自身を除く): 26250875140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 525017501, 1050035002, 2100070004, 2625087505, 4200140008, 5250175010, 10500350020, 21000700040]

約数ペア:

[(1, 21000700040), (2, 10500350020), (4, 5250175010), (5, 4200140008), (8, 2625087505), (10, 2100070004), (20, 1050035002), (40, 525017501)]