21518276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10093}}^1$

素因数の和:10151

約数の個数: 24

約数和(自身を含む): 41546904

約数和(自身を除く): 20028628

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 10093, 20186, 40372, 131209, 262418, 413813, 524836, 827626, 1655252, 5379569, 10759138, 21518276]

約数ペア:

[(1, 21518276), (2, 10759138), (4, 5379569), (13, 1655252), (26, 827626), (41, 524836), (52, 413813), (82, 262418), (164, 131209), (533, 40372), (1066, 20186), (2132, 10093)]