21030306

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318641}}^1$

素因数の和:318657

約数の個数: 16

約数和(自身を含む): 45884448

約数和(自身を除く): 24854142

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318641, 637282, 955923, 1911846, 3505051, 7010102, 10515153, 21030306]

約数ペア:

[(1, 21030306), (2, 10515153), (3, 7010102), (6, 3505051), (11, 1911846), (22, 955923), (33, 637282), (66, 318641)]