21080590974

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{2213}}^1\times {\mathrm{14303}}^1$

素因数の和:16561

約数の個数: 48

約数和(自身を含む): 46933540992

約数和(自身を除く): 25852950018

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 2213, 4426, 6639, 13278, 14303, 19917, 28606, 39834, 42909, 81881, 85818, 128727, 163762, 245643, 257454, 491286, 529211, 736929, 1058422, 1473858, 1587633, 3175266, 4762899, 9525798, 31652539, 63305078, 94957617, 189915234, 284872851, 569745702, 1171143943, 2342287886, 3513431829, 7026863658, 10540295487, 21080590974]

約数ペア:

[(1, 21080590974), (2, 10540295487), (3, 7026863658), (6, 3513431829), (9, 2342287886), (18, 1171143943), (37, 569745702), (74, 284872851), (111, 189915234), (222, 94957617), (333, 63305078), (666, 31652539), (2213, 9525798), (4426, 4762899), (6639, 3175266), (13278, 1587633), (14303, 1473858), (19917, 1058422), (28606, 736929), (39834, 529211), (42909, 491286), (81881, 257454), (85818, 245643), (128727, 163762)]