21243992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34487}}^1$

素因数の和:34511

約数の個数: 32

約数和(自身を含む): 49662720

約数和(自身を除く): 28418728

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34487, 68974, 137948, 241409, 275896, 379357, 482818, 758714, 965636, 1517428, 1931272, 2655499, 3034856, 5310998, 10621996, 21243992]

約数ペア:

[(1, 21243992), (2, 10621996), (4, 5310998), (7, 3034856), (8, 2655499), (11, 1931272), (14, 1517428), (22, 965636), (28, 758714), (44, 482818), (56, 379357), (77, 275896), (88, 241409), (154, 137948), (308, 68974), (616, 34487)]