21160278

素因数分解:

$2^1\times 3^4\times {\mathrm{130619}}^1$

素因数の和:130633

約数の個数: 20

約数和(自身を含む): 47415060

約数和(自身を除く): 26254782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130619, 261238, 391857, 783714, 1175571, 2351142, 3526713, 7053426, 10580139, 21160278]

約数ペア:

[(1, 21160278), (2, 10580139), (3, 7053426), (6, 3526713), (9, 2351142), (18, 1175571), (27, 783714), (54, 391857), (81, 261238), (162, 130619)]