21034083

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 36443520

約数和(自身を除く): 15409437

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 443, 833, 931, 969, 1329, 2261, 2499, 2793, 3101, 6783, 7531, 8417, 9303, 15827, 21707, 22593, 25251, 47481, 52717, 58919, 65121, 143089, 158151, 176757, 369019, 412433, 429267, 1001623, 1107057, 1237299, 3004869, 7011361, 21034083]

約数ペア:

[(1, 21034083), (3, 7011361), (7, 3004869), (17, 1237299), (19, 1107057), (21, 1001623), (49, 429267), (51, 412433), (57, 369019), (119, 176757), (133, 158151), (147, 143089), (323, 65121), (357, 58919), (399, 52717), (443, 47481), (833, 25251), (931, 22593), (969, 21707), (1329, 15827), (2261, 9303), (2499, 8417), (2793, 7531), (3101, 6783)]