21663744

素因数分解:

$2^{12}\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 104

約数和(自身を含む): 60547872

約数和(自身を除く): 38884128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 43, 48, 64, 82, 86, 96, 123, 128, 129, 164, 172, 192, 246, 256, 258, 328, 344, 384, 492, 512, 516, 656, 688, 768, 984, 1024, 1032, 1312, 1376, 1536, 1763, 1968, 2048, 2064, 2624, 2752, 3072, 3526, 3936, 4096, 4128, 5248, 5289, 5504, 6144, 7052, 7872, 8256, 10496, 10578, 11008, 12288, 14104, 15744, 16512, 20992, 21156, 22016, 28208, 31488, 33024, 41984, 42312, 44032, 56416, 62976, 66048, 83968, 84624, 88064, 112832, 125952, 132096, 167936, 169248, 176128, 225664, 251904, 264192, 338496, 451328, 503808, 528384, 676992, 902656, 1353984, 1805312, 2707968, 3610624, 5415936, 7221248, 10831872, 21663744]

約数ペア:

[(1, 21663744), (2, 10831872), (3, 7221248), (4, 5415936), (6, 3610624), (8, 2707968), (12, 1805312), (16, 1353984), (24, 902656), (32, 676992), (41, 528384), (43, 503808), (48, 451328), (64, 338496), (82, 264192), (86, 251904), (96, 225664), (123, 176128), (128, 169248), (129, 167936), (164, 132096), (172, 125952), (192, 112832), (246, 88064), (256, 84624), (258, 83968), (328, 66048), (344, 62976), (384, 56416), (492, 44032), (512, 42312), (516, 41984), (656, 33024), (688, 31488), (768, 28208), (984, 22016), (1024, 21156), (1032, 20992), (1312, 16512), (1376, 15744), (1536, 14104), (1763, 12288), (1968, 11008), (2048, 10578), (2064, 10496), (2624, 8256), (2752, 7872), (3072, 7052), (3526, 6144), (3936, 5504), (4096, 5289), (4128, 5248)]