21552476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6899}}^1$

素因数の和:6985

約数の個数: 24

約数和(自身を含む): 41731200

約数和(自身を除く): 20178724

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6899, 13798, 27596, 75889, 151778, 303556, 489829, 979658, 1959316, 5388119, 10776238, 21552476]

約数ペア:

[(1, 21552476), (2, 10776238), (4, 5388119), (11, 1959316), (22, 979658), (44, 489829), (71, 303556), (142, 151778), (284, 75889), (781, 27596), (1562, 13798), (3124, 6899)]