21337532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1259}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18176068

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 1259, 2518, 4237, 5036, 8474, 16948, 23921, 47842, 95684, 280757, 561514, 1123028, 5334383, 10668766, 21337532]

約数ペア:

[(1, 21337532), (2, 10668766), (4, 5334383), (19, 1123028), (38, 561514), (76, 280757), (223, 95684), (446, 47842), (892, 23921), (1259, 16948), (2518, 8474), (4237, 5036)]