21924232

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 47433600

約数和(自身を除く): 25509368

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 71, 88, 116, 121, 142, 232, 242, 284, 319, 484, 568, 638, 781, 968, 1276, 1331, 1562, 2059, 2552, 2662, 3124, 3509, 4118, 5324, 6248, 7018, 8236, 8591, 10648, 14036, 16472, 17182, 22649, 28072, 34364, 38599, 45298, 68728, 77198, 90596, 94501, 154396, 181192, 189002, 249139, 308792, 378004, 498278, 756008, 996556, 1993112, 2740529, 5481058, 10962116, 21924232]

約数ペア:

[(1, 21924232), (2, 10962116), (4, 5481058), (8, 2740529), (11, 1993112), (22, 996556), (29, 756008), (44, 498278), (58, 378004), (71, 308792), (88, 249139), (116, 189002), (121, 181192), (142, 154396), (232, 94501), (242, 90596), (284, 77198), (319, 68728), (484, 45298), (568, 38599), (638, 34364), (781, 28072), (968, 22649), (1276, 17182), (1331, 16472), (1562, 14036), (2059, 10648), (2552, 8591), (2662, 8236), (3124, 7018), (3509, 6248), (4118, 5324)]