21578864

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4603}}^1$

素因数の和:4904

約数の個数: 20

約数和(自身を含む): 41960856

約数和(自身を除く): 20381992

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4603, 4688, 9206, 18412, 36824, 73648, 1348679, 2697358, 5394716, 10789432, 21578864]

約数ペア:

[(1, 21578864), (2, 10789432), (4, 5394716), (8, 2697358), (16, 1348679), (293, 73648), (586, 36824), (1172, 18412), (2344, 9206), (4603, 4688)]