21017282

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 16903678

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1709, 3418, 6149, 12298, 18799, 22217, 37598, 44434, 73487, 146974, 244387, 488774, 808357, 955331, 1616714, 1910662, 10508641, 21017282]

約数ペア:

[(1, 21017282), (2, 10508641), (11, 1910662), (13, 1616714), (22, 955331), (26, 808357), (43, 488774), (86, 244387), (143, 146974), (286, 73487), (473, 44434), (559, 37598), (946, 22217), (1118, 18799), (1709, 12298), (3418, 6149)]