21492956264

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{237271}}^1$

素因数の和:237370

約数の個数: 48

約数和(自身を含む): 44289191520

約数和(自身を除く): 22796235256

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 268, 338, 536, 676, 871, 1352, 1742, 3484, 6968, 11323, 22646, 45292, 90584, 237271, 474542, 949084, 1898168, 3084523, 6169046, 12338092, 15897157, 24676184, 31794314, 40098799, 63588628, 80197598, 127177256, 160395196, 206663041, 320790392, 413326082, 826652164, 1653304328, 2686619533, 5373239066, 10746478132, 21492956264]

約数ペア:

[(1, 21492956264), (2, 10746478132), (4, 5373239066), (8, 2686619533), (13, 1653304328), (26, 826652164), (52, 413326082), (67, 320790392), (104, 206663041), (134, 160395196), (169, 127177256), (268, 80197598), (338, 63588628), (536, 40098799), (676, 31794314), (871, 24676184), (1352, 15897157), (1742, 12338092), (3484, 6169046), (6968, 3084523), (11323, 1898168), (22646, 949084), (45292, 474542), (90584, 237271)]