21089280

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1373}}^1$

素因数の和:1401

約数の個数: 88

約数和(自身を含む): 67501872

約数和(自身を除く): 46412592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1373, 1536, 1920, 2560, 2746, 3072, 3840, 4119, 5120, 5492, 6865, 7680, 8238, 10984, 13730, 15360, 16476, 20595, 21968, 27460, 32952, 41190, 43936, 54920, 65904, 82380, 87872, 109840, 131808, 164760, 175744, 219680, 263616, 329520, 351488, 439360, 527232, 659040, 702976, 878720, 1054464, 1318080, 1405952, 1757440, 2108928, 2636160, 3514880, 4217856, 5272320, 7029760, 10544640, 21089280]

約数ペア:

[(1, 21089280), (2, 10544640), (3, 7029760), (4, 5272320), (5, 4217856), (6, 3514880), (8, 2636160), (10, 2108928), (12, 1757440), (15, 1405952), (16, 1318080), (20, 1054464), (24, 878720), (30, 702976), (32, 659040), (40, 527232), (48, 439360), (60, 351488), (64, 329520), (80, 263616), (96, 219680), (120, 175744), (128, 164760), (160, 131808), (192, 109840), (240, 87872), (256, 82380), (320, 65904), (384, 54920), (480, 43936), (512, 41190), (640, 32952), (768, 27460), (960, 21968), (1024, 20595), (1280, 16476), (1373, 15360), (1536, 13730), (1920, 10984), (2560, 8238), (2746, 7680), (3072, 6865), (3840, 5492), (4119, 5120)]