21016998

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{68683}}^1$

素因数の和:68708

約数の個数: 24

約数和(自身を含む): 48216168

約数和(自身を除く): 27199170

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 68683, 137366, 206049, 412098, 618147, 1167611, 1236294, 2335222, 3502833, 7005666, 10508499, 21016998]

約数ペア:

[(1, 21016998), (2, 10508499), (3, 7005666), (6, 3502833), (9, 2335222), (17, 1236294), (18, 1167611), (34, 618147), (51, 412098), (102, 206049), (153, 137366), (306, 68683)]