21000688251

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{10667}}^1\times {\mathrm{38603}}^1$

素因数の和:49290

約数の個数: 16

約数和(自身を含む): 29651577984

約数和(自身を除く): 8650889733

約数列:

[1, 3, 17, 51, 10667, 32001, 38603, 115809, 181339, 544017, 656251, 1968753, 411778201, 1235334603, 7000229417, 21000688251]

約数ペア:

[(1, 21000688251), (3, 7000229417), (17, 1235334603), (51, 411778201), (10667, 1968753), (32001, 656251), (38603, 544017), (115809, 181339)]