21230200

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1051}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 49896360

約数和(自身を除く): 28666160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1051, 2020, 2102, 2525, 4040, 4204, 5050, 5255, 8408, 10100, 10510, 20200, 21020, 26275, 42040, 52550, 105100, 106151, 210200, 212302, 424604, 530755, 849208, 1061510, 2123020, 2653775, 4246040, 5307550, 10615100, 21230200]

約数ペア:

[(1, 21230200), (2, 10615100), (4, 5307550), (5, 4246040), (8, 2653775), (10, 2123020), (20, 1061510), (25, 849208), (40, 530755), (50, 424604), (100, 212302), (101, 210200), (200, 106151), (202, 105100), (404, 52550), (505, 42040), (808, 26275), (1010, 21020), (1051, 20200), (2020, 10510), (2102, 10100), (2525, 8408), (4040, 5255), (4204, 5050)]