21941738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3942

約数の個数: 32

約数和(自身を含む): 41825280

約数和(自身を除く): 19883542

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3889, 5642, 7778, 27223, 50557, 54446, 101114, 120559, 241118, 353899, 707798, 843913, 1567267, 1687826, 3134534, 10970869, 21941738]

約数ペア:

[(1, 21941738), (2, 10970869), (7, 3134534), (13, 1687826), (14, 1567267), (26, 843913), (31, 707798), (62, 353899), (91, 241118), (182, 120559), (217, 101114), (403, 54446), (434, 50557), (806, 27223), (2821, 7778), (3889, 5642)]