21401464

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{829}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 46015200

約数和(自身を除く): 24613736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 829, 922, 1658, 1844, 3227, 3316, 3688, 5803, 6454, 6632, 11606, 12908, 23212, 25816, 46424, 382169, 764338, 1528676, 2675183, 3057352, 5350366, 10700732, 21401464]

約数ペア:

[(1, 21401464), (2, 10700732), (4, 5350366), (7, 3057352), (8, 2675183), (14, 1528676), (28, 764338), (56, 382169), (461, 46424), (829, 25816), (922, 23212), (1658, 12908), (1844, 11606), (3227, 6632), (3316, 6454), (3688, 5803)]