21849867

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9829}}^1$

素因数の和:9867

約数の個数: 24

約数和(自身を含む): 35781200

約数和(自身を除く): 13931333

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9829, 29487, 88461, 127777, 186751, 383331, 560253, 1149993, 1680759, 2427763, 7283289, 21849867]

約数ペア:

[(1, 21849867), (3, 7283289), (9, 2427763), (13, 1680759), (19, 1149993), (39, 560253), (57, 383331), (117, 186751), (171, 127777), (247, 88461), (741, 29487), (2223, 9829)]