21432159

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2156

約数の個数: 36

約数和(自身を含む): 37595376

約数和(自身を除く): 16163217

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2113, 3381, 6339, 10143, 14791, 19017, 44373, 48599, 103537, 133119, 145797, 310611, 340193, 437391, 931833, 1020579, 2381351, 3061737, 7144053, 21432159]

約数ペア:

[(1, 21432159), (3, 7144053), (7, 3061737), (9, 2381351), (21, 1020579), (23, 931833), (49, 437391), (63, 340193), (69, 310611), (147, 145797), (161, 133119), (207, 103537), (441, 48599), (483, 44373), (1127, 19017), (1449, 14791), (2113, 10143), (3381, 6339)]