21976927

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 26298432

約数和(自身を除く): 4321505

約数列:

[1, 7, 37, 53, 259, 371, 1601, 1961, 11207, 13727, 59237, 84853, 414659, 593971, 3139561, 21976927]

約数ペア:

[(1, 21976927), (7, 3139561), (37, 593971), (53, 414659), (259, 84853), (371, 59237), (1601, 13727), (1961, 11207)]