21773361

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 29804544

約数和(自身を除く): 8031183

約数列:

[1, 3, 47, 141, 307, 503, 921, 1509, 14429, 23641, 43287, 70923, 154421, 463263, 7257787, 21773361]

約数ペア:

[(1, 21773361), (3, 7257787), (47, 463263), (141, 154421), (307, 70923), (503, 43287), (921, 23641), (1509, 14429)]