21242778

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{75329}}^1$

素因数の和:75381

約数の個数: 16

約数和(自身を含む): 43390080

約数和(自身を除く): 22147302

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 75329, 150658, 225987, 451974, 3540463, 7080926, 10621389, 21242778]

約数ペア:

[(1, 21242778), (2, 10621389), (3, 7080926), (6, 3540463), (47, 451974), (94, 225987), (141, 150658), (282, 75329)]