17219937

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2671}}^1$

素因数の和:2988

約数の個数: 16

約数和(自身を含む): 26335232

約数和(自身を除く): 9115295

約数列:

[1, 3, 7, 21, 307, 921, 2149, 2671, 6447, 8013, 18697, 56091, 819997, 2459991, 5739979, 17219937]

約数ペア:

[(1, 17219937), (3, 5739979), (7, 2459991), (21, 819997), (307, 56091), (921, 18697), (2149, 8013), (2671, 6447)]