21814281

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6199}}^1$

素因数の和:6245

約数の個数: 24

約数和(自身を含む): 34819200

約数和(自身を除く): 13004919

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 6199, 18597, 55791, 105383, 142577, 316149, 427731, 948447, 1283193, 2423809, 7271427, 21814281]

約数ペア:

[(1, 21814281), (3, 7271427), (9, 2423809), (17, 1283193), (23, 948447), (51, 427731), (69, 316149), (153, 142577), (207, 105383), (391, 55791), (1173, 18597), (3519, 6199)]