21812665

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32801}}^1$

素因数の和:32832

約数の個数: 16

約数和(自身を含む): 31489920

約数和(自身を除く): 9677255

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 32801, 164005, 229607, 623219, 1148035, 3116095, 4362533, 21812665]

約数ペア:

[(1, 21812665), (5, 4362533), (7, 3116095), (19, 1148035), (35, 623219), (95, 229607), (133, 164005), (665, 32801)]