21802995

素因数分解:

$3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1051}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 37909872

約数和(自身を除く): 16106877

約数列:

[1, 3, 5, 9, 15, 45, 461, 1051, 1383, 2305, 3153, 4149, 5255, 6915, 9459, 15765, 20745, 47295, 484511, 1453533, 2422555, 4360599, 7267665, 21802995]

約数ペア:

[(1, 21802995), (3, 7267665), (5, 4360599), (9, 2422555), (15, 1453533), (45, 484511), (461, 47295), (1051, 20745), (1383, 15765), (2305, 9459), (3153, 6915), (4149, 5255)]