21162931389

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{7109}}^1\times {\mathrm{19457}}^1$

素因数の和:26589

約数の個数: 24

約数和(自身を含む): 32373052920

約数和(自身を除く): 11210121531

約数列:

[1, 3, 9, 17, 51, 153, 7109, 19457, 21327, 58371, 63981, 120853, 175113, 330769, 362559, 992307, 1087677, 2976921, 138319813, 414959439, 1244878317, 2351436821, 7054310463, 21162931389]

約数ペア:

[(1, 21162931389), (3, 7054310463), (9, 2351436821), (17, 1244878317), (51, 414959439), (153, 138319813), (7109, 2976921), (19457, 1087677), (21327, 992307), (58371, 362559), (63981, 330769), (120853, 175113)]