21621504

素因数分解:

$2^8\times 3^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 58867200

約数和(自身を除く): 37245696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 282, 376, 384, 564, 599, 752, 768, 1128, 1198, 1504, 1797, 2256, 2396, 3008, 3594, 4512, 4792, 6016, 7188, 9024, 9584, 12032, 14376, 18048, 19168, 28153, 28752, 36096, 38336, 56306, 57504, 76672, 84459, 112612, 115008, 153344, 168918, 225224, 230016, 337836, 450448, 460032, 675672, 900896, 1351344, 1801792, 2702688, 3603584, 5405376, 7207168, 10810752, 21621504]

約数ペア:

[(1, 21621504), (2, 10810752), (3, 7207168), (4, 5405376), (6, 3603584), (8, 2702688), (12, 1801792), (16, 1351344), (24, 900896), (32, 675672), (47, 460032), (48, 450448), (64, 337836), (94, 230016), (96, 225224), (128, 168918), (141, 153344), (188, 115008), (192, 112612), (256, 84459), (282, 76672), (376, 57504), (384, 56306), (564, 38336), (599, 36096), (752, 28752), (768, 28153), (1128, 19168), (1198, 18048), (1504, 14376), (1797, 12032), (2256, 9584), (2396, 9024), (3008, 7188), (3594, 6016), (4512, 4792)]