21149934

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1031}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 45771264

約数和(自身を除く): 24621330

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1031, 1578, 2062, 3093, 3419, 6186, 6838, 10257, 13403, 20514, 26806, 40209, 80418, 271153, 542306, 813459, 1626918, 3524989, 7049978, 10574967, 21149934]

約数ペア:

[(1, 21149934), (2, 10574967), (3, 7049978), (6, 3524989), (13, 1626918), (26, 813459), (39, 542306), (78, 271153), (263, 80418), (526, 40209), (789, 26806), (1031, 20514), (1578, 13403), (2062, 10257), (3093, 6838), (3419, 6186)]