21496942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 14894738

約数列:

[1, 2, 17, 19, 34, 38, 107, 214, 311, 323, 622, 646, 1819, 2033, 3638, 4066, 5287, 5909, 10574, 11818, 33277, 34561, 66554, 69122, 100453, 200906, 565709, 632263, 1131418, 1264526, 10748471, 21496942]

約数ペア:

[(1, 21496942), (2, 10748471), (17, 1264526), (19, 1131418), (34, 632263), (38, 565709), (107, 200906), (214, 100453), (311, 69122), (323, 66554), (622, 34561), (646, 33277), (1819, 11818), (2033, 10574), (3638, 5909), (4066, 5287)]