21813630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727121}}^1$

素因数の和:727131

約数の個数: 16

約数和(自身を含む): 52352784

約数和(自身を除く): 30539154

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727121, 1454242, 2181363, 3635605, 4362726, 7271210, 10906815, 21813630]

約数ペア:

[(1, 21813630), (2, 10906815), (3, 7271210), (5, 4362726), (6, 3635605), (10, 2181363), (15, 1454242), (30, 727121)]