21795890683

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1\times {\mathrm{1319}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 26194544640

約数和(自身を除く): 4398653957

約数列:

[1, 7, 23, 161, 197, 521, 1319, 1379, 3647, 4531, 9233, 11983, 30337, 31717, 83881, 102637, 212359, 259843, 687199, 718459, 1818901, 2360651, 4810393, 5976389, 15805577, 16524557, 41834723, 110639039, 135378203, 947647421, 3113698669, 21795890683]

約数ペア:

[(1, 21795890683), (7, 3113698669), (23, 947647421), (161, 135378203), (197, 110639039), (521, 41834723), (1319, 16524557), (1379, 15805577), (3647, 5976389), (4531, 4810393), (9233, 2360651), (11983, 1818901), (30337, 718459), (31717, 687199), (83881, 259843), (102637, 212359)]