21219646

素因数分解:

$2^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{739}}^1$

素因数の和:1048

約数の個数: 24

約数和(自身を含む): 37202760

約数和(自身を除く): 15983114

約数列:

[1, 2, 7, 14, 49, 98, 293, 586, 739, 1478, 2051, 4102, 5173, 10346, 14357, 28714, 36211, 72422, 216527, 433054, 1515689, 3031378, 10609823, 21219646]

約数ペア:

[(1, 21219646), (2, 10609823), (7, 3031378), (14, 1515689), (49, 433054), (98, 216527), (293, 72422), (586, 36211), (739, 28714), (1478, 14357), (2051, 10346), (4102, 5173)]