21897993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2237}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 31582656

約数和(自身を除く): 9684663

約数列:

[1, 3, 13, 39, 251, 753, 2237, 3263, 6711, 9789, 29081, 87243, 561487, 1684461, 7299331, 21897993]

約数ペア:

[(1, 21897993), (3, 7299331), (13, 1684461), (39, 561487), (251, 87243), (753, 29081), (2237, 9789), (3263, 6711)]