21401616

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10369}}^1$

素因数の和:10423

約数の個数: 40

約数和(自身を含む): 56578720

約数和(自身を除く): 35177104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10369, 20738, 31107, 41476, 62214, 82952, 124428, 165904, 248856, 445867, 497712, 891734, 1337601, 1783468, 2675202, 3566936, 5350404, 7133872, 10700808, 21401616]

約数ペア:

[(1, 21401616), (2, 10700808), (3, 7133872), (4, 5350404), (6, 3566936), (8, 2675202), (12, 1783468), (16, 1337601), (24, 891734), (43, 497712), (48, 445867), (86, 248856), (129, 165904), (172, 124428), (258, 82952), (344, 62214), (516, 41476), (688, 31107), (1032, 20738), (2064, 10369)]