21000337461

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{456539}}^1$

素因数の和:456833

約数の個数: 24

約数和(自身を含む): 32049108000

約数和(自身を除く): 11048770539

約数列:

[1, 3, 9, 19, 57, 171, 269, 807, 2421, 5111, 15333, 45999, 456539, 1369617, 4108851, 8674241, 26022723, 78068169, 122808991, 368426973, 1105280919, 2333370829, 7000112487, 21000337461]

約数ペア:

[(1, 21000337461), (3, 7000112487), (9, 2333370829), (19, 1105280919), (57, 368426973), (171, 122808991), (269, 78068169), (807, 26022723), (2421, 8674241), (5111, 4108851), (15333, 1369617), (45999, 456539)]