21371772

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 52247552

約数和(自身を除く): 30875780

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 73, 93, 124, 146, 186, 219, 292, 372, 438, 787, 876, 1574, 2263, 2361, 3148, 4526, 4722, 6789, 9052, 9444, 13578, 24397, 27156, 48794, 57451, 73191, 97588, 114902, 146382, 172353, 229804, 292764, 344706, 689412, 1780981, 3561962, 5342943, 7123924, 10685886, 21371772]

約数ペア:

[(1, 21371772), (2, 10685886), (3, 7123924), (4, 5342943), (6, 3561962), (12, 1780981), (31, 689412), (62, 344706), (73, 292764), (93, 229804), (124, 172353), (146, 146382), (186, 114902), (219, 97588), (292, 73191), (372, 57451), (438, 48794), (787, 27156), (876, 24397), (1574, 13578), (2263, 9444), (2361, 9052), (3148, 6789), (4526, 4722)]