21411234

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2531

約数の個数: 48

約数和(自身を含む): 51330552

約数和(自身を除く): 29919318

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2473, 2886, 4329, 4946, 7419, 8658, 14838, 22257, 32149, 44514, 64298, 91501, 96447, 183002, 192894, 274503, 289341, 549006, 578682, 823509, 1189513, 1647018, 2379026, 3568539, 7137078, 10705617, 21411234]

約数ペア:

[(1, 21411234), (2, 10705617), (3, 7137078), (6, 3568539), (9, 2379026), (13, 1647018), (18, 1189513), (26, 823509), (37, 578682), (39, 549006), (74, 289341), (78, 274503), (111, 192894), (117, 183002), (222, 96447), (234, 91501), (333, 64298), (481, 44514), (666, 32149), (962, 22257), (1443, 14838), (2473, 8658), (2886, 7419), (4329, 4946)]