21090186

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2311}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 50771520

約数和(自身を除く): 29681334

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2311, 3042, 4563, 4622, 6933, 9126, 13866, 20799, 30043, 41598, 60086, 62397, 90129, 124794, 180258, 270387, 390559, 540774, 781118, 811161, 1171677, 1622322, 2343354, 3515031, 7030062, 10545093, 21090186]

約数ペア:

[(1, 21090186), (2, 10545093), (3, 7030062), (6, 3515031), (9, 2343354), (13, 1622322), (18, 1171677), (26, 811161), (27, 781118), (39, 540774), (54, 390559), (78, 270387), (117, 180258), (169, 124794), (234, 90129), (338, 62397), (351, 60086), (507, 41598), (702, 30043), (1014, 20799), (1521, 13866), (2311, 9126), (3042, 6933), (4563, 4622)]