21730803

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1429}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 29995680

約数和(自身を除く): 8264877

約数列:

[1, 3, 37, 111, 137, 411, 1429, 4287, 5069, 15207, 52873, 158619, 195773, 587319, 7243601, 21730803]

約数ペア:

[(1, 21730803), (3, 7243601), (37, 587319), (111, 195773), (137, 158619), (411, 52873), (1429, 15207), (4287, 5069)]