21378408

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{38729}}^1$

素因数の和:38761

約数の個数: 32

約数和(自身を含む): 55771200

約数和(自身を除く): 34392792

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38729, 77458, 116187, 154916, 232374, 309832, 464748, 890767, 929496, 1781534, 2672301, 3563068, 5344602, 7126136, 10689204, 21378408]

約数ペア:

[(1, 21378408), (2, 10689204), (3, 7126136), (4, 5344602), (6, 3563068), (8, 2672301), (12, 1781534), (23, 929496), (24, 890767), (46, 464748), (69, 309832), (92, 232374), (138, 154916), (184, 116187), (276, 77458), (552, 38729)]