21327618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2153}}^1$

素因数の和:2298

約数の個数: 32

約数和(自身を含む): 46319616

約数和(自身を除く): 24991998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 2153, 3302, 4306, 4953, 6459, 9906, 12918, 27989, 55978, 83967, 167934, 273431, 546862, 820293, 1640586, 3554603, 7109206, 10663809, 21327618]

約数ペア:

[(1, 21327618), (2, 10663809), (3, 7109206), (6, 3554603), (13, 1640586), (26, 820293), (39, 546862), (78, 273431), (127, 167934), (254, 83967), (381, 55978), (762, 27989), (1651, 12918), (2153, 9906), (3302, 6459), (4306, 4953)]