21374776

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65167}}^1$

素因数の和:65214

約数の個数: 16

約数和(自身を含む): 41055840

約数和(自身を除く): 19681064

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65167, 130334, 260668, 521336, 2671847, 5343694, 10687388, 21374776]

約数ペア:

[(1, 21374776), (2, 10687388), (4, 5343694), (8, 2671847), (41, 521336), (82, 260668), (164, 130334), (328, 65167)]