21894783

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8933}}^1$

素因数の和:8998

約数の個数: 16

約数和(自身を含む): 31447680

約数和(自身を除く): 9552897

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8933, 26799, 169727, 384119, 509181, 1152357, 7298261, 21894783]

約数ペア:

[(1, 21894783), (3, 7298261), (19, 1152357), (43, 509181), (57, 384119), (129, 169727), (817, 26799), (2451, 8933)]