21731032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{159787}}^1$

素因数の和:159810

約数の個数: 16

約数和(自身を含む): 43142760

約数和(自身を除く): 21411728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 159787, 319574, 639148, 1278296, 2716379, 5432758, 10865516, 21731032]

約数ペア:

[(1, 21731032), (2, 10865516), (4, 5432758), (8, 2716379), (17, 1278296), (34, 639148), (68, 319574), (136, 159787)]