21705618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1901}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 47656512

約数和(自身を除く): 25950894

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 173, 346, 519, 1038, 1901, 1903, 3802, 3806, 5703, 5709, 11406, 11418, 20911, 41822, 62733, 125466, 328873, 657746, 986619, 1973238, 3617603, 7235206, 10852809, 21705618]

約数ペア:

[(1, 21705618), (2, 10852809), (3, 7235206), (6, 3617603), (11, 1973238), (22, 986619), (33, 657746), (66, 328873), (173, 125466), (346, 62733), (519, 41822), (1038, 20911), (1901, 11418), (1903, 11406), (3802, 5709), (3806, 5703)]