21955995

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 39436800

約数和(自身を除く): 17480805

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 1579, 2781, 4635, 4737, 7895, 13905, 14211, 23685, 42633, 71055, 162637, 213165, 487911, 813185, 1463733, 2439555, 4391199, 7318665, 21955995]

約数ペア:

[(1, 21955995), (3, 7318665), (5, 4391199), (9, 2439555), (15, 1463733), (27, 813185), (45, 487911), (103, 213165), (135, 162637), (309, 71055), (515, 42633), (927, 23685), (1545, 14211), (1579, 13905), (2781, 7895), (4635, 4737)]