21427218

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{32173}}^1$

素因数の和:32218

約数の個数: 24

約数和(自身を含む): 47681868

約数和(自身を除く): 26254650

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 32173, 64346, 96519, 193038, 289557, 579114, 1190401, 2380802, 3571203, 7142406, 10713609, 21427218]

約数ペア:

[(1, 21427218), (2, 10713609), (3, 7142406), (6, 3571203), (9, 2380802), (18, 1190401), (37, 579114), (74, 289557), (111, 193038), (222, 96519), (333, 64346), (666, 32173)]