21949272

素因数分解:

$2^3\times 3^3\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 61353600

約数和(自身を除く): 39404328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 307, 331, 614, 662, 921, 993, 1228, 1324, 1842, 1986, 2456, 2648, 2763, 2979, 3684, 3972, 5526, 5958, 7368, 7944, 8289, 8937, 11052, 11916, 16578, 17874, 22104, 23832, 33156, 35748, 66312, 71496, 101617, 203234, 304851, 406468, 609702, 812936, 914553, 1219404, 1829106, 2438808, 2743659, 3658212, 5487318, 7316424, 10974636, 21949272]

約数ペア:

[(1, 21949272), (2, 10974636), (3, 7316424), (4, 5487318), (6, 3658212), (8, 2743659), (9, 2438808), (12, 1829106), (18, 1219404), (24, 914553), (27, 812936), (36, 609702), (54, 406468), (72, 304851), (108, 203234), (216, 101617), (307, 71496), (331, 66312), (614, 35748), (662, 33156), (921, 23832), (993, 22104), (1228, 17874), (1324, 16578), (1842, 11916), (1986, 11052), (2456, 8937), (2648, 8289), (2763, 7944), (2979, 7368), (3684, 5958), (3972, 5526)]