21694533

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 35564544

約数和(自身を除く): 13870011

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 907, 1139, 1407, 2721, 3417, 6349, 7973, 15419, 19047, 23919, 46257, 60769, 107933, 182307, 323799, 425383, 1033073, 1276149, 3099219, 7231511, 21694533]

約数ペア:

[(1, 21694533), (3, 7231511), (7, 3099219), (17, 1276149), (21, 1033073), (51, 425383), (67, 323799), (119, 182307), (201, 107933), (357, 60769), (469, 46257), (907, 23919), (1139, 19047), (1407, 15419), (2721, 7973), (3417, 6349)]