21801291285

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1\times {\mathrm{38821}}^1$

素因数の和:40149

約数の個数: 32

約数和(自身を含む): 36113777280

約数和(自身を除く): 14312485995

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 1291, 3873, 6455, 19365, 37439, 38821, 112317, 116463, 187195, 194105, 561585, 582315, 1125809, 3377427, 5629045, 16887135, 50117911, 150353733, 250589555, 751768665, 1453419419, 4360258257, 7267097095, 21801291285]

約数ペア:

[(1, 21801291285), (3, 7267097095), (5, 4360258257), (15, 1453419419), (29, 751768665), (87, 250589555), (145, 150353733), (435, 50117911), (1291, 16887135), (3873, 5629045), (6455, 3377427), (19365, 1125809), (37439, 582315), (38821, 561585), (112317, 194105), (116463, 187195)]