21858039

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6803}}^1$

素因数の和:6836

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 17333001

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6803, 20409, 47621, 61227, 115651, 142863, 183681, 346953, 428589, 809557, 1040859, 1285767, 2428671, 3122577, 7286013, 21858039]

約数ペア:

[(1, 21858039), (3, 7286013), (7, 3122577), (9, 2428671), (17, 1285767), (21, 1040859), (27, 809557), (51, 428589), (63, 346953), (119, 183681), (153, 142863), (189, 115651), (357, 61227), (459, 47621), (1071, 20409), (3213, 6803)]