21246171

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1511}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 8026149

約数列:

[1, 3, 43, 109, 129, 327, 1511, 4533, 4687, 14061, 64973, 164699, 194919, 494097, 7082057, 21246171]

約数ペア:

[(1, 21246171), (3, 7082057), (43, 494097), (109, 194919), (129, 164699), (327, 64973), (1511, 14061), (4533, 4687)]