21201930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235577}}^1$

素因数の和:235590

約数の個数: 24

約数和(自身を含む): 55125252

約数和(自身を除く): 33923322

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235577, 471154, 706731, 1177885, 1413462, 2120193, 2355770, 3533655, 4240386, 7067310, 10600965, 21201930]

約数ペア:

[(1, 21201930), (2, 10600965), (3, 7067310), (5, 4240386), (6, 3533655), (9, 2355770), (10, 2120193), (15, 1413462), (18, 1177885), (30, 706731), (45, 471154), (90, 235577)]