21000261789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10558201}}^1$

素因数の和:10558237

約数の個数: 24

約数和(自身を含む): 34588669752

約数和(自身を除く): 13588407963

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10558201, 31674603, 95023809, 137256613, 179489417, 411769839, 538468251, 1235309517, 1615404753, 2333362421, 7000087263, 21000261789]

約数ペア:

[(1, 21000261789), (3, 7000087263), (9, 2333362421), (13, 1615404753), (17, 1235309517), (39, 538468251), (51, 411769839), (117, 179489417), (153, 137256613), (221, 95023809), (663, 31674603), (1989, 10558201)]