21673245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5711}}^1$

素因数の和:5753

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 17808099

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5711, 17133, 28555, 62821, 85665, 131353, 188463, 314105, 394059, 656765, 942315, 1444883, 1970295, 4334649, 7224415, 21673245]

約数ペア:

[(1, 21673245), (3, 7224415), (5, 4334649), (11, 1970295), (15, 1444883), (23, 942315), (33, 656765), (55, 394059), (69, 314105), (115, 188463), (165, 131353), (253, 85665), (345, 62821), (759, 28555), (1265, 17133), (3795, 5711)]