21132513

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3733}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 33202728

約数和(自身を除く): 12070215

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3733, 5661, 11199, 33597, 63461, 138121, 190383, 414363, 571149, 1243089, 2348057, 7044171, 21132513]

約数ペア:

[(1, 21132513), (3, 7044171), (9, 2348057), (17, 1243089), (37, 571149), (51, 414363), (111, 190383), (153, 138121), (333, 63461), (629, 33597), (1887, 11199), (3733, 5661)]