21582638

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20021}}^1$

素因数の和:20048

約数の個数: 24

約数和(自身を含む): 41085144

約数和(自身を除く): 19502506

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20021, 40042, 140147, 220231, 280294, 440462, 981029, 1541617, 1962058, 3083234, 10791319, 21582638]

約数ペア:

[(1, 21582638), (2, 10791319), (7, 3083234), (11, 1962058), (14, 1541617), (22, 981029), (49, 440462), (77, 280294), (98, 220231), (154, 140147), (539, 40042), (1078, 20021)]