21675004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4127}}^1$

素因数の和:4245

約数の個数: 24

約数和(自身を含む): 41263488

約数和(自身を除く): 19588484

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 4127, 5252, 8254, 16508, 53651, 107302, 214604, 416827, 833654, 1667308, 5418751, 10837502, 21675004]

約数ペア:

[(1, 21675004), (2, 10837502), (4, 5418751), (13, 1667308), (26, 833654), (52, 416827), (101, 214604), (202, 107302), (404, 53651), (1313, 16508), (2626, 8254), (4127, 5252)]