21031635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 15159597

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 1231, 3417, 3693, 5695, 6155, 17085, 18465, 20927, 62781, 82477, 104635, 247431, 313905, 412385, 1237155, 1402109, 4206327, 7010545, 21031635]

約数ペア:

[(1, 21031635), (3, 7010545), (5, 4206327), (15, 1402109), (17, 1237155), (51, 412385), (67, 313905), (85, 247431), (201, 104635), (255, 82477), (335, 62781), (1005, 20927), (1139, 18465), (1231, 17085), (3417, 6155), (3693, 5695)]