21762140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47309}}^1$

素因数の和:47341

約数の個数: 24

約数和(自身を含む): 47688480

約数和(自身を除く): 25926340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47309, 94618, 189236, 236545, 473090, 946180, 1088107, 2176214, 4352428, 5440535, 10881070, 21762140]

約数ペア:

[(1, 21762140), (2, 10881070), (4, 5440535), (5, 4352428), (10, 2176214), (20, 1088107), (23, 946180), (46, 473090), (92, 236545), (115, 189236), (230, 94618), (460, 47309)]