21044655

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20333}}^1$

素因数の和:20367

約数の個数: 24

約数和(自身を含む): 38065248

約数和(自身を除く): 17020593

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20333, 60999, 101665, 182997, 304995, 467659, 914985, 1402977, 2338295, 4208931, 7014885, 21044655]

約数ペア:

[(1, 21044655), (3, 7014885), (5, 4208931), (9, 2338295), (15, 1402977), (23, 914985), (45, 467659), (69, 304995), (115, 182997), (207, 101665), (345, 60999), (1035, 20333)]