21542433

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 10961247

約数列:

[1, 3, 11, 33, 53, 109, 113, 159, 327, 339, 583, 1199, 1243, 1749, 3597, 3729, 5777, 5989, 12317, 17331, 17967, 36951, 63547, 65879, 135487, 190641, 197637, 406461, 652801, 1958403, 7180811, 21542433]

約数ペア:

[(1, 21542433), (3, 7180811), (11, 1958403), (33, 652801), (53, 406461), (109, 197637), (113, 190641), (159, 135487), (327, 65879), (339, 63547), (583, 36951), (1199, 17967), (1243, 17331), (1749, 12317), (3597, 5989), (3729, 5777)]