21167357978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1367}}^1\times {\mathrm{1531}}^1$

素因数の和:3302

約数の個数: 32

約数和(自身を含む): 34328810880

約数和(自身を除く): 13161452902

約数列:

[1, 2, 13, 26, 389, 778, 1367, 1531, 2734, 3062, 5057, 10114, 17771, 19903, 35542, 39806, 531763, 595559, 1063526, 1191118, 2092877, 4185754, 6912919, 7742267, 13825838, 15484534, 27207401, 54414802, 814129153, 1628258306, 10583678989, 21167357978]

約数ペア:

[(1, 21167357978), (2, 10583678989), (13, 1628258306), (26, 814129153), (389, 54414802), (778, 27207401), (1367, 15484534), (1531, 13825838), (2734, 7742267), (3062, 6912919), (5057, 4185754), (10114, 2092877), (17771, 1191118), (19903, 1063526), (35542, 595559), (39806, 531763)]