21652990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16529}}^1$

素因数の和:16667

約数の個数: 16

約数和(自身を含む): 39275280

約数和(自身を除く): 17622290

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 16529, 33058, 82645, 165290, 2165299, 4330598, 10826495, 21652990]

約数ペア:

[(1, 21652990), (2, 10826495), (5, 4330598), (10, 2165299), (131, 165290), (262, 82645), (655, 33058), (1310, 16529)]