21866948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2689}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 40672800

約数和(自身を除く): 18805852

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2689, 4066, 5378, 8132, 10756, 51091, 102182, 204364, 287723, 575446, 1150892, 5466737, 10933474, 21866948]

約数ペア:

[(1, 21866948), (2, 10933474), (4, 5466737), (19, 1150892), (38, 575446), (76, 287723), (107, 204364), (214, 102182), (428, 51091), (2033, 10756), (2689, 8132), (4066, 5378)]