21479451

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5651}}^1$

素因数の和:5842

約数の個数: 16

約数和(自身を含む): 32917248

約数和(自身を除く): 11437797

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5651, 16953, 39557, 118671, 1022831, 3068493, 7159817, 21479451]

約数ペア:

[(1, 21479451), (3, 7159817), (7, 3068493), (21, 1022831), (181, 118671), (543, 39557), (1267, 16953), (3801, 5651)]