21497825596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{60029}}^1$

素因数の和:60214

約数の個数: 48

約数和(自身を含む): 41510024640

約数和(自身を除く): 20012199044

約数列:

[1, 2, 4, 13, 26, 52, 71, 97, 142, 194, 284, 388, 923, 1261, 1846, 2522, 3692, 5044, 6887, 13774, 27548, 60029, 89531, 120058, 179062, 240116, 358124, 780377, 1560754, 3121508, 4262059, 5822813, 8524118, 11645626, 17048236, 23291252, 55406767, 75696569, 110813534, 151393138, 221627068, 302786276, 413419723, 826839446, 1653678892, 5374456399, 10748912798, 21497825596]

約数ペア:

[(1, 21497825596), (2, 10748912798), (4, 5374456399), (13, 1653678892), (26, 826839446), (52, 413419723), (71, 302786276), (97, 221627068), (142, 151393138), (194, 110813534), (284, 75696569), (388, 55406767), (923, 23291252), (1261, 17048236), (1846, 11645626), (2522, 8524118), (3692, 5822813), (5044, 4262059), (6887, 3121508), (13774, 1560754), (27548, 780377), (60029, 358124), (89531, 240116), (120058, 179062)]