21904483

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 24230880

約数和(自身を除く): 2326397

約数列:

[1, 17, 29, 157, 283, 493, 2669, 4553, 4811, 8207, 44431, 77401, 139519, 755327, 1288499, 21904483]

約数ペア:

[(1, 21904483), (17, 1288499), (29, 755327), (157, 139519), (283, 77401), (493, 44431), (2669, 8207), (4553, 4811)]