21992085

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9221}}^1$

素因数の和:9285

約数の個数: 24

約数和(自身を含む): 38843064

約数和(自身を除く): 16850979

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 9221, 27663, 46105, 82989, 138315, 414945, 488713, 1466139, 2443565, 4398417, 7330695, 21992085]

約数ペア:

[(1, 21992085), (3, 7330695), (5, 4398417), (9, 2443565), (15, 1466139), (45, 488713), (53, 414945), (159, 138315), (265, 82989), (477, 46105), (795, 27663), (2385, 9221)]