2105200321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{2273}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 2622267648

約数和(自身を除く): 517067327

約数列:

[1, 7, 17, 43, 119, 181, 301, 731, 1267, 2273, 3077, 5117, 7783, 15911, 21539, 38641, 54481, 97739, 132311, 270487, 411413, 684173, 926177, 1661563, 2879891, 6994021, 11630941, 17690759, 48958147, 123835313, 300742903, 2105200321]

約数ペア:

[(1, 2105200321), (7, 300742903), (17, 123835313), (43, 48958147), (119, 17690759), (181, 11630941), (301, 6994021), (731, 2879891), (1267, 1661563), (2273, 926177), (3077, 684173), (5117, 411413), (7783, 270487), (15911, 132311), (21539, 97739), (38641, 54481)]