21471008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51613}}^1$

素因数の和:51636

約数の個数: 24

約数和(自身を含む): 45523548

約数和(自身を除く): 24052540

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51613, 103226, 206452, 412904, 670969, 825808, 1341938, 1651616, 2683876, 5367752, 10735504, 21471008]

約数ペア:

[(1, 21471008), (2, 10735504), (4, 5367752), (8, 2683876), (13, 1651616), (16, 1341938), (26, 825808), (32, 670969), (52, 412904), (104, 206452), (208, 103226), (416, 51613)]