21161166

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 47038320

約数和(自身を除く): 25877154

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 169, 246, 338, 507, 509, 533, 1014, 1018, 1066, 1527, 1599, 3054, 3198, 6617, 6929, 13234, 13858, 19851, 20787, 20869, 39702, 41574, 41738, 62607, 86021, 125214, 172042, 258063, 271297, 516126, 542594, 813891, 1627782, 3526861, 7053722, 10580583, 21161166]

約数ペア:

[(1, 21161166), (2, 10580583), (3, 7053722), (6, 3526861), (13, 1627782), (26, 813891), (39, 542594), (41, 516126), (78, 271297), (82, 258063), (123, 172042), (169, 125214), (246, 86021), (338, 62607), (507, 41738), (509, 41574), (533, 39702), (1014, 20869), (1018, 20787), (1066, 19851), (1527, 13858), (1599, 13234), (3054, 6929), (3198, 6617)]