21684368

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36629}}^1$

素因数の和:36674

約数の個数: 20

約数和(自身を含む): 43150140

約数和(自身を除く): 21465772

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36629, 73258, 146516, 293032, 586064, 1355273, 2710546, 5421092, 10842184, 21684368]

約数ペア:

[(1, 21684368), (2, 10842184), (4, 5421092), (8, 2710546), (16, 1355273), (37, 586064), (74, 293032), (148, 146516), (296, 73258), (592, 36629)]