21379592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{853}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 43400280

約数和(自身を除く): 22020688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 241, 482, 853, 964, 1706, 1928, 3133, 3412, 6266, 6824, 11089, 12532, 22178, 25064, 44356, 88712, 205573, 411146, 822292, 1644584, 2672449, 5344898, 10689796, 21379592]

約数ペア:

[(1, 21379592), (2, 10689796), (4, 5344898), (8, 2672449), (13, 1644584), (26, 822292), (52, 411146), (104, 205573), (241, 88712), (482, 44356), (853, 25064), (964, 22178), (1706, 12532), (1928, 11089), (3133, 6824), (3412, 6266)]