21159494397

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{702017}}^1$

素因数の和:702237

約数の個数: 24

約数和(自身を含む): 32525897976

約数和(自身を除く): 11366403579

約数列:

[1, 3, 9, 17, 51, 153, 197, 591, 1773, 3349, 10047, 30141, 702017, 2106051, 6318153, 11934289, 35802867, 107408601, 138297349, 414892047, 1244676141, 2351054933, 7053164799, 21159494397]

約数ペア:

[(1, 21159494397), (3, 7053164799), (9, 2351054933), (17, 1244676141), (51, 414892047), (153, 138297349), (197, 107408601), (591, 35802867), (1773, 11934289), (3349, 6318153), (10047, 2106051), (30141, 702017)]