21575164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9649}}^1$

素因数の和:9709

約数の個数: 24

約数和(自身を含む): 41610800

約数和(自身を除く): 20035636

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9649, 19298, 38596, 125437, 250874, 414907, 501748, 829814, 1659628, 5393791, 10787582, 21575164]

約数ペア:

[(1, 21575164), (2, 10787582), (4, 5393791), (13, 1659628), (26, 829814), (43, 501748), (52, 414907), (86, 250874), (172, 125437), (559, 38596), (1118, 19298), (2236, 9649)]