21014525

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 31268832

約数和(自身を除く): 10254307

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 227, 529, 575, 805, 1135, 1589, 2645, 3703, 4025, 5221, 5675, 7945, 13225, 18515, 26105, 36547, 39725, 92575, 120083, 130525, 182735, 600415, 840581, 913675, 3002075, 4202905, 21014525]

約数ペア:

[(1, 21014525), (5, 4202905), (7, 3002075), (23, 913675), (25, 840581), (35, 600415), (115, 182735), (161, 130525), (175, 120083), (227, 92575), (529, 39725), (575, 36547), (805, 26105), (1135, 18515), (1589, 13225), (2645, 7945), (3703, 5675), (4025, 5221)]