21270147345

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6850289}}^1$

素因数の和:6850326

約数の個数: 32

約数和(自身を含む): 39457670400

約数和(自身を除く): 18187523055

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6850289, 20550867, 34251445, 61652601, 102754335, 157556647, 184957803, 308263005, 472669941, 787783235, 924789015, 1418009823, 2363349705, 4254029469, 7090049115, 21270147345]

約数ペア:

[(1, 21270147345), (3, 7090049115), (5, 4254029469), (9, 2363349705), (15, 1418009823), (23, 924789015), (27, 787783235), (45, 472669941), (69, 308263005), (115, 184957803), (135, 157556647), (207, 102754335), (345, 61652601), (621, 34251445), (1035, 20550867), (3105, 6850289)]