21132153

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{659}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 35006400

約数和(自身を除く): 13874247

約数列:

[1, 3, 7, 9, 21, 63, 509, 659, 1527, 1977, 3563, 4581, 4613, 5931, 10689, 13839, 32067, 41517, 335431, 1006293, 2348017, 3018879, 7044051, 21132153]

約数ペア:

[(1, 21132153), (3, 7044051), (7, 3018879), (9, 2348017), (21, 1006293), (63, 335431), (509, 41517), (659, 32067), (1527, 13839), (1977, 10689), (3563, 5931), (4581, 4613)]