21431199

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2917}}^1$

素因数の和:3030

約数の個数: 16

約数和(自身を含む): 29880320

約数和(自身を除く): 8449121

約数列:

[1, 3, 31, 79, 93, 237, 2449, 2917, 7347, 8751, 90427, 230443, 271281, 691329, 7143733, 21431199]

約数ペア:

[(1, 21431199), (3, 7143733), (31, 691329), (79, 271281), (93, 230443), (237, 90427), (2449, 8751), (2917, 7347)]