21993733

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 2004731

約数列:

[1, 17, 61, 127, 167, 1037, 2159, 2839, 7747, 10187, 21209, 131699, 173179, 360553, 1293749, 21993733]

約数ペア:

[(1, 21993733), (17, 1293749), (61, 360553), (127, 173179), (167, 131699), (1037, 21209), (2159, 10187), (2839, 7747)]