21605196

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43913}}^1$

素因数の和:43961

約数の個数: 24

約数和(自身を含む): 51642864

約数和(自身を除く): 30037668

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43913, 87826, 131739, 175652, 263478, 526956, 1800433, 3600866, 5401299, 7201732, 10802598, 21605196]

約数ペア:

[(1, 21605196), (2, 10802598), (3, 7201732), (4, 5401299), (6, 3600866), (12, 1800433), (41, 526956), (82, 263478), (123, 175652), (164, 131739), (246, 87826), (492, 43913)]