21475611

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 28

約数和(自身を含む): 32658840

約数和(自身を除く): 11183229

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 331, 729, 801, 993, 2403, 2979, 7209, 8937, 21627, 26811, 29459, 64881, 80433, 88377, 241299, 265131, 795393, 2386179, 7158537, 21475611]

約数ペア:

[(1, 21475611), (3, 7158537), (9, 2386179), (27, 795393), (81, 265131), (89, 241299), (243, 88377), (267, 80433), (331, 64881), (729, 29459), (801, 26811), (993, 21627), (2403, 8937), (2979, 7209)]