21974865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1373}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 38779776

約数和(自身を除く): 16804911

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1373, 1455, 3201, 4119, 5335, 6865, 15103, 16005, 20595, 45309, 75515, 133181, 226545, 399543, 665905, 1464991, 1997715, 4394973, 7324955, 21974865]

約数ペア:

[(1, 21974865), (3, 7324955), (5, 4394973), (11, 1997715), (15, 1464991), (33, 665905), (55, 399543), (97, 226545), (165, 133181), (291, 75515), (485, 45309), (1067, 20595), (1373, 16005), (1455, 15103), (3201, 6865), (4119, 5335)]