21527968

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8737}}^1$

素因数の和:8765

約数の個数: 48

約数和(自身を含む): 52847424

約数和(自身を除く): 31319456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8737, 17474, 34948, 61159, 69896, 96107, 122318, 139792, 192214, 244636, 279584, 384428, 489272, 672749, 768856, 978544, 1345498, 1537712, 1957088, 2690996, 3075424, 5381992, 10763984, 21527968]

約数ペア:

[(1, 21527968), (2, 10763984), (4, 5381992), (7, 3075424), (8, 2690996), (11, 1957088), (14, 1537712), (16, 1345498), (22, 978544), (28, 768856), (32, 672749), (44, 489272), (56, 384428), (77, 279584), (88, 244636), (112, 192214), (154, 139792), (176, 122318), (224, 96107), (308, 69896), (352, 61159), (616, 34948), (1232, 17474), (2464, 8737)]