21580716

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{78191}}^1$

素因数の和:78221

約数の個数: 24

約数和(自身を含む): 52545024

約数和(自身を除く): 30964308

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 78191, 156382, 234573, 312764, 469146, 938292, 1798393, 3596786, 5395179, 7193572, 10790358, 21580716]

約数ペア:

[(1, 21580716), (2, 10790358), (3, 7193572), (4, 5395179), (6, 3596786), (12, 1798393), (23, 938292), (46, 469146), (69, 312764), (92, 234573), (138, 156382), (276, 78191)]