21427000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{3061}}^1$

素因数の和:3089

約数の個数: 64

約数和(自身を含む): 57320640

約数和(自身を除く): 35893640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3061, 3500, 6122, 7000, 12244, 15305, 21427, 24488, 30610, 42854, 61220, 76525, 85708, 107135, 122440, 153050, 171416, 214270, 306100, 382625, 428540, 535675, 612200, 765250, 857080, 1071350, 1530500, 2142700, 2678375, 3061000, 4285400, 5356750, 10713500, 21427000]

約数ペア:

[(1, 21427000), (2, 10713500), (4, 5356750), (5, 4285400), (7, 3061000), (8, 2678375), (10, 2142700), (14, 1530500), (20, 1071350), (25, 857080), (28, 765250), (35, 612200), (40, 535675), (50, 428540), (56, 382625), (70, 306100), (100, 214270), (125, 171416), (140, 153050), (175, 122440), (200, 107135), (250, 85708), (280, 76525), (350, 61220), (500, 42854), (700, 30610), (875, 24488), (1000, 21427), (1400, 15305), (1750, 12244), (3061, 7000), (3500, 6122)]