21579144

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{6563}}^1$

素因数の和:6709

約数の個数: 32

約数和(自身を含む): 54349920

約数和(自身を除く): 32770776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 6563, 13126, 19689, 26252, 39378, 52504, 78756, 157512, 899131, 1798262, 2697393, 3596524, 5394786, 7193048, 10789572, 21579144]

約数ペア:

[(1, 21579144), (2, 10789572), (3, 7193048), (4, 5394786), (6, 3596524), (8, 2697393), (12, 1798262), (24, 899131), (137, 157512), (274, 78756), (411, 52504), (548, 39378), (822, 26252), (1096, 19689), (1644, 13126), (3288, 6563)]