21083118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13567}}^1$

素因数の和:13616

約数の個数: 32

約数和(自身を含む): 49496064

約数和(自身を除く): 28412946

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13567, 27134, 40701, 81402, 94969, 189938, 284907, 501979, 569814, 1003958, 1505937, 3011874, 3513853, 7027706, 10541559, 21083118]

約数ペア:

[(1, 21083118), (2, 10541559), (3, 7027706), (6, 3513853), (7, 3011874), (14, 1505937), (21, 1003958), (37, 569814), (42, 501979), (74, 284907), (111, 189938), (222, 94969), (259, 81402), (518, 40701), (777, 27134), (1554, 13567)]