21093068

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 37851744

約数和(自身を除く): 16758676

約数列:

[1, 2, 4, 61, 122, 137, 244, 274, 548, 631, 1262, 2524, 8357, 16714, 33428, 38491, 76982, 86447, 153964, 172894, 345788, 5273267, 10546534, 21093068]

約数ペア:

[(1, 21093068), (2, 10546534), (4, 5273267), (61, 345788), (122, 172894), (137, 153964), (244, 86447), (274, 76982), (548, 38491), (631, 33428), (1262, 16714), (2524, 8357)]