21413241

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{1583}}^1$

素因数の和:1762

約数の個数: 20

約数和(自身を含む): 32199552

約数和(自身を除く): 10786311

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 1583, 4509, 4749, 13527, 14247, 42741, 128223, 264361, 793083, 2379249, 7137747, 21413241]

約数ペア:

[(1, 21413241), (3, 7137747), (9, 2379249), (27, 793083), (81, 264361), (167, 128223), (501, 42741), (1503, 14247), (1583, 13527), (4509, 4749)]