21294850

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3769}}^1$

素因数の和:3894

約数の個数: 24

約数和(自身を含む): 39969540

約数和(自身を除く): 18674690

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3769, 5650, 7538, 18845, 37690, 94225, 188450, 425897, 851794, 2129485, 4258970, 10647425, 21294850]

約数ペア:

[(1, 21294850), (2, 10647425), (5, 4258970), (10, 2129485), (25, 851794), (50, 425897), (113, 188450), (226, 94225), (565, 37690), (1130, 18845), (2825, 7538), (3769, 5650)]