21556395

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22811}}^1$

素因数の和:22832

約数の個数: 32

約数和(自身を含む): 43799040

約数和(自身を除く): 22242645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22811, 68433, 114055, 159677, 205299, 342165, 479031, 615897, 798385, 1026495, 1437093, 2395155, 3079485, 4311279, 7185465, 21556395]

約数ペア:

[(1, 21556395), (3, 7185465), (5, 4311279), (7, 3079485), (9, 2395155), (15, 1437093), (21, 1026495), (27, 798385), (35, 615897), (45, 479031), (63, 342165), (105, 205299), (135, 159677), (189, 114055), (315, 68433), (945, 22811)]