21954665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5416855

約数列:

[1, 5, 31, 155, 197, 719, 985, 3595, 6107, 22289, 30535, 111445, 141643, 708215, 4390933, 21954665]

約数ペア:

[(1, 21954665), (5, 4390933), (31, 708215), (155, 141643), (197, 111445), (719, 30535), (985, 22289), (3595, 6107)]