21000434722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1\times {\mathrm{11131}}^1$

素因数の和:11662

約数の個数: 32

約数和(自身を含む): 33502867200

約数和(自身を除く): 12502432478

約数列:

[1, 2, 19, 38, 131, 262, 379, 758, 2489, 4978, 7201, 11131, 14402, 22262, 49649, 99298, 211489, 422978, 943331, 1458161, 1886662, 2916322, 4218649, 8437298, 27705059, 55410118, 80154331, 160308662, 552643019, 1105286038, 10500217361, 21000434722]

約数ペア:

[(1, 21000434722), (2, 10500217361), (19, 1105286038), (38, 552643019), (131, 160308662), (262, 80154331), (379, 55410118), (758, 27705059), (2489, 8437298), (4978, 4218649), (7201, 2916322), (11131, 1886662), (14402, 1458161), (22262, 943331), (49649, 422978), (99298, 211489)]