21907203

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4253}}^1$

素因数の和:4374

約数の個数: 16

約数和(自身を含む): 31241376

約数和(自身を除く): 9334173

約数列:

[1, 3, 17, 51, 101, 303, 1717, 4253, 5151, 12759, 72301, 216903, 429553, 1288659, 7302401, 21907203]

約数ペア:

[(1, 21907203), (3, 7302401), (17, 1288659), (51, 429553), (101, 216903), (303, 72301), (1717, 12759), (4253, 5151)]