21469995

素因数分解:

$3^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 16891605

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 359, 443, 1077, 1329, 1795, 2215, 3231, 3987, 5385, 6645, 9693, 11961, 16155, 19935, 48465, 59805, 159037, 477111, 795185, 1431333, 2385555, 4293999, 7156665, 21469995]

約数ペア:

[(1, 21469995), (3, 7156665), (5, 4293999), (9, 2385555), (15, 1431333), (27, 795185), (45, 477111), (135, 159037), (359, 59805), (443, 48465), (1077, 19935), (1329, 16155), (1795, 11961), (2215, 9693), (3231, 6645), (3987, 5385)]