21254856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126517}}^1$

素因数の和:126533

約数の個数: 32

約数和(自身を含む): 60728640

約数和(自身を除く): 39473784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126517, 253034, 379551, 506068, 759102, 885619, 1012136, 1518204, 1771238, 2656857, 3036408, 3542476, 5313714, 7084952, 10627428, 21254856]

約数ペア:

[(1, 21254856), (2, 10627428), (3, 7084952), (4, 5313714), (6, 3542476), (7, 3036408), (8, 2656857), (12, 1771238), (14, 1518204), (21, 1012136), (24, 885619), (28, 759102), (42, 506068), (56, 379551), (84, 253034), (168, 126517)]