21589986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{877}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 47285568

約数和(自身を除く): 25695582

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 373, 746, 877, 1119, 1754, 2238, 2631, 4103, 5262, 8206, 9647, 12309, 19294, 24618, 28941, 57882, 327121, 654242, 981363, 1962726, 3598331, 7196662, 10794993, 21589986]

約数ペア:

[(1, 21589986), (2, 10794993), (3, 7196662), (6, 3598331), (11, 1962726), (22, 981363), (33, 654242), (66, 327121), (373, 57882), (746, 28941), (877, 24618), (1119, 19294), (1754, 12309), (2238, 9647), (2631, 8206), (4103, 5262)]