21754434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278903}}^1$

素因数の和:278921

約数の個数: 16

約数和(自身を含む): 46855872

約数和(自身を除く): 25101438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278903, 557806, 836709, 1673418, 3625739, 7251478, 10877217, 21754434]

約数ペア:

[(1, 21754434), (2, 10877217), (3, 7251478), (6, 3625739), (13, 1673418), (26, 836709), (39, 557806), (78, 278903)]