21449116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1039}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 40564160

約数和(自身を除く): 19115044

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1039, 1588, 2078, 4156, 5161, 10322, 13507, 20644, 27014, 54028, 412483, 824966, 1649932, 5362279, 10724558, 21449116]

約数ペア:

[(1, 21449116), (2, 10724558), (4, 5362279), (13, 1649932), (26, 824966), (52, 412483), (397, 54028), (794, 27014), (1039, 20644), (1588, 13507), (2078, 10322), (4156, 5161)]