21981666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16883}}^1$

素因数の和:16926

約数の個数: 32

約数和(自身を含む): 51867648

約数和(自身を除く): 29885982

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16883, 33766, 50649, 101298, 118181, 236362, 354543, 523373, 709086, 1046746, 1570119, 3140238, 3663611, 7327222, 10990833, 21981666]

約数ペア:

[(1, 21981666), (2, 10990833), (3, 7327222), (6, 3663611), (7, 3140238), (14, 1570119), (21, 1046746), (31, 709086), (42, 523373), (62, 354543), (93, 236362), (186, 118181), (217, 101298), (434, 50649), (651, 33766), (1302, 16883)]