21242188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9109}}^1$

素因数の和:9177

約数の個数: 24

約数和(自身を含む): 41322960

約数和(自身を除く): 20080772

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9109, 18218, 36436, 100199, 200398, 400796, 482777, 965554, 1931108, 5310547, 10621094, 21242188]

約数ペア:

[(1, 21242188), (2, 10621094), (4, 5310547), (11, 1931108), (22, 965554), (44, 482777), (53, 400796), (106, 200398), (212, 100199), (583, 36436), (1166, 18218), (2332, 9109)]