21921930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243577}}^1$

素因数の和:243590

約数の個数: 24

約数和(自身を含む): 56997252

約数和(自身を除く): 35075322

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243577, 487154, 730731, 1217885, 1461462, 2192193, 2435770, 3653655, 4384386, 7307310, 10960965, 21921930]

約数ペア:

[(1, 21921930), (2, 10960965), (3, 7307310), (5, 4384386), (6, 3653655), (9, 2435770), (10, 2192193), (15, 1461462), (18, 1217885), (30, 730731), (45, 487154), (90, 243577)]