21152803749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8123}}^1\times {\mathrm{11273}}^1$

素因数の和:19417

約数の個数: 32

約数和(自身を含む): 35170550784

約数和(自身を除く): 14017747035

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 8123, 11273, 24369, 33819, 56861, 78911, 89353, 124003, 170583, 236733, 268059, 372009, 625471, 868021, 1876413, 2604063, 91570579, 274711737, 640994053, 1007276369, 1922982159, 3021829107, 7050934583, 21152803749]

約数ペア:

[(1, 21152803749), (3, 7050934583), (7, 3021829107), (11, 1922982159), (21, 1007276369), (33, 640994053), (77, 274711737), (231, 91570579), (8123, 2604063), (11273, 1876413), (24369, 868021), (33819, 625471), (56861, 372009), (78911, 268059), (89353, 236733), (124003, 170583)]