21954965

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 5001835

約数列:

[1, 5, 89, 103, 445, 479, 515, 2395, 9167, 42631, 45835, 49337, 213155, 246685, 4390993, 21954965]

約数ペア:

[(1, 21954965), (5, 4390993), (89, 246685), (103, 213155), (445, 49337), (479, 45835), (515, 42631), (2395, 9167)]