21000753324

素因数分解:

$2^2\times 3^2\times {\mathrm{86951}}^1\times {\mathrm{6709}}^1$

素因数の和:93670

約数の個数: 36

約数和(自身を含む): 53093760720

約数和(自身を除く): 32093007396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 6709, 13418, 20127, 26836, 40254, 60381, 80508, 86951, 120762, 173902, 241524, 260853, 347804, 521706, 782559, 1043412, 1565118, 3130236, 583354259, 1166708518, 1750062777, 2333417036, 3500125554, 5250188331, 7000251108, 10500376662, 21000753324]

約数ペア:

[(1, 21000753324), (2, 10500376662), (3, 7000251108), (4, 5250188331), (6, 3500125554), (9, 2333417036), (12, 1750062777), (18, 1166708518), (36, 583354259), (6709, 3130236), (13418, 1565118), (20127, 1043412), (26836, 782559), (40254, 521706), (60381, 347804), (80508, 260853), (86951, 241524), (120762, 173902)]