21616128

素因数分解:

$2^9\times 3^2\times {\mathrm{4691}}^1$

素因数の和:4715

約数の個数: 60

約数和(自身を含む): 62398908

約数和(自身を除く): 40782780

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 4691, 9382, 14073, 18764, 28146, 37528, 42219, 56292, 75056, 84438, 112584, 150112, 168876, 225168, 300224, 337752, 450336, 600448, 675504, 900672, 1200896, 1351008, 1801344, 2401792, 2702016, 3602688, 5404032, 7205376, 10808064, 21616128]

約数ペア:

[(1, 21616128), (2, 10808064), (3, 7205376), (4, 5404032), (6, 3602688), (8, 2702016), (9, 2401792), (12, 1801344), (16, 1351008), (18, 1200896), (24, 900672), (32, 675504), (36, 600448), (48, 450336), (64, 337752), (72, 300224), (96, 225168), (128, 168876), (144, 150112), (192, 112584), (256, 84438), (288, 75056), (384, 56292), (512, 42219), (576, 37528), (768, 28146), (1152, 18764), (1536, 14073), (2304, 9382), (4608, 4691)]