21365766

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{62473}}^1$

素因数の和:62500

約数の個数: 24

約数和(自身を含む): 48729720

約数和(自身を除く): 27363954

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 62473, 124946, 187419, 374838, 562257, 1124514, 1186987, 2373974, 3560961, 7121922, 10682883, 21365766]

約数ペア:

[(1, 21365766), (2, 10682883), (3, 7121922), (6, 3560961), (9, 2373974), (18, 1186987), (19, 1124514), (38, 562257), (57, 374838), (114, 187419), (171, 124946), (342, 62473)]