21421167305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1\times {\mathrm{6343}}^1$

素因数の和:7025

約数の個数: 32

約数和(自身を含む): 27674659584

約数和(自身を除く): 6253492279

約数列:

[1, 5, 17, 67, 85, 335, 593, 1139, 2965, 5695, 6343, 10081, 31715, 39731, 50405, 107831, 198655, 424981, 539155, 675427, 2124905, 3377135, 3761399, 7224677, 18806995, 36123385, 63943783, 252013733, 319718915, 1260068665, 4284233461, 21421167305]

約数ペア:

[(1, 21421167305), (5, 4284233461), (17, 1260068665), (67, 319718915), (85, 252013733), (335, 63943783), (593, 36123385), (1139, 18806995), (2965, 7224677), (5695, 3761399), (6343, 3377135), (10081, 2124905), (31715, 675427), (39731, 539155), (50405, 424981), (107831, 198655)]