21699808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52163}}^1$

素因数の和:52186

約数の個数: 24

約数和(自身を含む): 46008648

約数和(自身を除く): 24308840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52163, 104326, 208652, 417304, 678119, 834608, 1356238, 1669216, 2712476, 5424952, 10849904, 21699808]

約数ペア:

[(1, 21699808), (2, 10849904), (4, 5424952), (8, 2712476), (13, 1669216), (16, 1356238), (26, 834608), (32, 678119), (52, 417304), (104, 208652), (208, 104326), (416, 52163)]