21249368

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1657}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 45760800

約数和(自身を除く): 24511432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1603, 1657, 1832, 3206, 3314, 6412, 6628, 11599, 12824, 13256, 23198, 46396, 92792, 379453, 758906, 1517812, 2656171, 3035624, 5312342, 10624684, 21249368]

約数ペア:

[(1, 21249368), (2, 10624684), (4, 5312342), (7, 3035624), (8, 2656171), (14, 1517812), (28, 758906), (56, 379453), (229, 92792), (458, 46396), (916, 23198), (1603, 13256), (1657, 12824), (1832, 11599), (3206, 6628), (3314, 6412)]