21490532

素因数分解:

$2^2\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1033}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 43080576

約数和(自身を除く): 21590044

約数列:

[1, 2, 4, 7, 14, 28, 743, 1033, 1486, 2066, 2972, 4132, 5201, 7231, 10402, 14462, 20804, 28924, 767519, 1535038, 3070076, 5372633, 10745266, 21490532]

約数ペア:

[(1, 21490532), (2, 10745266), (4, 5372633), (7, 3070076), (14, 1535038), (28, 767519), (743, 28924), (1033, 20804), (1486, 14462), (2066, 10402), (2972, 7231), (4132, 5201)]