21214222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12983}}^1$

素因数の和:13047

約数の個数: 16

約数和(自身を含む): 34277760

約数和(自身を除く): 13063538

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12983, 25966, 246677, 493354, 558269, 1116538, 10607111, 21214222]

約数ペア:

[(1, 21214222), (2, 10607111), (19, 1116538), (38, 558269), (43, 493354), (86, 246677), (817, 25966), (1634, 12983)]