21681438

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 23073762

約数列:

[1, 2, 3, 6, 59, 73, 118, 146, 177, 219, 354, 438, 839, 1678, 2517, 4307, 5034, 8614, 12921, 25842, 49501, 61247, 99002, 122494, 148503, 183741, 297006, 367482, 3613573, 7227146, 10840719, 21681438]

約数ペア:

[(1, 21681438), (2, 10840719), (3, 7227146), (6, 3613573), (59, 367482), (73, 297006), (118, 183741), (146, 148503), (177, 122494), (219, 99002), (354, 61247), (438, 49501), (839, 25842), (1678, 12921), (2517, 8614), (4307, 5034)]