21343478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28307}}^1$

素因数の和:28351

約数の個数: 16

約数和(自身を含む): 35668080

約数和(自身を除く): 14324602

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 28307, 56614, 367991, 735982, 820903, 1641806, 10671739, 21343478]

約数ペア:

[(1, 21343478), (2, 10671739), (13, 1641806), (26, 820903), (29, 735982), (58, 367991), (377, 56614), (754, 28307)]