21815688

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{9371}}^1$

素因数の和:9477

約数の個数: 32

約数和(自身を含む): 55107360

約数和(自身を除く): 33291672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 194, 291, 388, 582, 776, 1164, 2328, 9371, 18742, 28113, 37484, 56226, 74968, 112452, 224904, 908987, 1817974, 2726961, 3635948, 5453922, 7271896, 10907844, 21815688]

約数ペア:

[(1, 21815688), (2, 10907844), (3, 7271896), (4, 5453922), (6, 3635948), (8, 2726961), (12, 1817974), (24, 908987), (97, 224904), (194, 112452), (291, 74968), (388, 56226), (582, 37484), (776, 28113), (1164, 18742), (2328, 9371)]