21960743

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 4166617

約数列:

[1, 7, 29, 203, 251, 431, 1757, 3017, 7279, 12499, 50953, 87493, 108181, 757267, 3137249, 21960743]

約数ペア:

[(1, 21960743), (7, 3137249), (29, 757267), (203, 108181), (251, 87493), (431, 50953), (1757, 12499), (3017, 7279)]