21264250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 25910150

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 290, 350, 406, 419, 725, 838, 875, 1015, 1450, 1750, 2030, 2095, 2933, 3625, 4190, 5075, 5866, 7250, 10150, 10475, 12151, 14665, 20950, 24302, 25375, 29330, 50750, 52375, 60755, 73325, 85057, 104750, 121510, 146650, 170114, 303775, 366625, 425285, 607550, 733250, 850570, 1518875, 2126425, 3037750, 4252850, 10632125, 21264250]

約数ペア:

[(1, 21264250), (2, 10632125), (5, 4252850), (7, 3037750), (10, 2126425), (14, 1518875), (25, 850570), (29, 733250), (35, 607550), (50, 425285), (58, 366625), (70, 303775), (125, 170114), (145, 146650), (175, 121510), (203, 104750), (250, 85057), (290, 73325), (350, 60755), (406, 52375), (419, 50750), (725, 29330), (838, 25375), (875, 24302), (1015, 20950), (1450, 14665), (1750, 12151), (2030, 10475), (2095, 10150), (2933, 7250), (3625, 5866), (4190, 5075)]