21000929460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50002213}}^1$

素因数の和:50002232

約数の個数: 48

約数和(自身を含む): 67202975616

約数和(自身を除く): 46202046156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50002213, 100004426, 150006639, 200008852, 250011065, 300013278, 350015491, 500022130, 600026556, 700030982, 750033195, 1000044260, 1050046473, 1400061964, 1500066390, 1750077455, 2100092946, 3000132780, 3500154910, 4200185892, 5250232365, 7000309820, 10500464730, 21000929460]

約数ペア:

[(1, 21000929460), (2, 10500464730), (3, 7000309820), (4, 5250232365), (5, 4200185892), (6, 3500154910), (7, 3000132780), (10, 2100092946), (12, 1750077455), (14, 1500066390), (15, 1400061964), (20, 1050046473), (21, 1000044260), (28, 750033195), (30, 700030982), (35, 600026556), (42, 500022130), (60, 350015491), (70, 300013278), (84, 250011065), (105, 200008852), (140, 150006639), (210, 100004426), (420, 50002213)]