21164858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1790

約数の個数: 32

約数和(自身を含む): 38187072

約数和(自身を除く): 17022214

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1721, 3442, 6149, 12298, 18931, 22373, 37862, 44746, 74003, 148006, 246103, 492206, 814033, 962039, 1628066, 1924078, 10582429, 21164858]

約数ペア:

[(1, 21164858), (2, 10582429), (11, 1924078), (13, 1628066), (22, 962039), (26, 814033), (43, 492206), (86, 246103), (143, 148006), (286, 74003), (473, 44746), (559, 37862), (946, 22373), (1118, 18931), (1721, 12298), (3442, 6149)]