21085548496

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{1367}}^1\times {\mathrm{2731}}^1$

素因数の和:4459

約数の個数: 40

約数和(自身を含む): 41013964224

約数和(自身を除く): 19928415728

約数列:

[1, 2, 4, 8, 16, 353, 706, 1367, 1412, 2731, 2734, 2824, 5462, 5468, 5648, 10924, 10936, 21848, 21872, 43696, 482551, 964043, 965102, 1928086, 1930204, 3733277, 3856172, 3860408, 7466554, 7712344, 7720816, 14933108, 15424688, 29866216, 59732432, 1317846781, 2635693562, 5271387124, 10542774248, 21085548496]

約数ペア:

[(1, 21085548496), (2, 10542774248), (4, 5271387124), (8, 2635693562), (16, 1317846781), (353, 59732432), (706, 29866216), (1367, 15424688), (1412, 14933108), (2731, 7720816), (2734, 7712344), (2824, 7466554), (5462, 3860408), (5468, 3856172), (5648, 3733277), (10924, 1930204), (10936, 1928086), (21848, 965102), (21872, 964043), (43696, 482551)]