21417218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18181}}^1$

素因数の和:18233

約数の個数: 16

約数和(自身を含む): 34909440

約数和(自身を除く): 13492222

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 18181, 36362, 345439, 563611, 690878, 1127222, 10708609, 21417218]

約数ペア:

[(1, 21417218), (2, 10708609), (19, 1127222), (31, 690878), (38, 563611), (62, 345439), (589, 36362), (1178, 18181)]