21014474

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:894

約数の個数: 24

約数和(自身を含む): 34608960

約数和(自身を除く): 13594486

約数列:

[1, 2, 13, 26, 79, 158, 169, 338, 787, 1027, 1574, 2054, 10231, 13351, 20462, 26702, 62173, 124346, 133003, 266006, 808249, 1616498, 10507237, 21014474]

約数ペア:

[(1, 21014474), (2, 10507237), (13, 1616498), (26, 808249), (79, 266006), (158, 133003), (169, 124346), (338, 62173), (787, 26702), (1027, 20462), (1574, 13351), (2054, 10231)]