21031633881

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1093}}^1\times {\mathrm{12503}}^1$

素因数の和:13627

約数の個数: 40

約数和(自身を含む): 33104089920

約数和(自身を除く): 12072456039

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1093, 1539, 3279, 9837, 12503, 20767, 29511, 37509, 62301, 88533, 112527, 186903, 237557, 337581, 560709, 712671, 1012743, 1682127, 2138013, 6414039, 13665779, 19242117, 40997337, 122992011, 259649801, 368976033, 778949403, 1106928099, 2336848209, 7010544627, 21031633881]

約数ペア:

[(1, 21031633881), (3, 7010544627), (9, 2336848209), (19, 1106928099), (27, 778949403), (57, 368976033), (81, 259649801), (171, 122992011), (513, 40997337), (1093, 19242117), (1539, 13665779), (3279, 6414039), (9837, 2138013), (12503, 1682127), (20767, 1012743), (29511, 712671), (37509, 560709), (62301, 337581), (88533, 237557), (112527, 186903)]