21497826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30109}}^1$

素因数の和:30138

約数の個数: 32

約数和(自身を含む): 52030080

約数和(自身を除く): 30532254

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 30109, 60218, 90327, 180654, 210763, 421526, 511853, 632289, 1023706, 1264578, 1535559, 3071118, 3582971, 7165942, 10748913, 21497826]

約数ペア:

[(1, 21497826), (2, 10748913), (3, 7165942), (6, 3582971), (7, 3071118), (14, 1535559), (17, 1264578), (21, 1023706), (34, 632289), (42, 511853), (51, 421526), (102, 210763), (119, 180654), (238, 90327), (357, 60218), (714, 30109)]