21818643

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3257}}^1$

素因数の和:3307

約数の個数: 32

約数和(自身を含む): 37532160

約数和(自身を除く): 15713517

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3257, 6699, 9771, 22799, 35827, 68397, 94453, 107481, 250789, 283359, 661171, 752367, 1038983, 1983513, 3116949, 7272881, 21818643]

約数ペア:

[(1, 21818643), (3, 7272881), (7, 3116949), (11, 1983513), (21, 1038983), (29, 752367), (33, 661171), (77, 283359), (87, 250789), (203, 107481), (231, 94453), (319, 68397), (609, 35827), (957, 22799), (2233, 9771), (3257, 6699)]