21228196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9103}}^1$

素因数の和:9171

約数の個数: 24

約数和(自身を含む): 41295744

約数和(自身を除く): 20067548

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9103, 18206, 36412, 100133, 200266, 400532, 482459, 964918, 1929836, 5307049, 10614098, 21228196]

約数ペア:

[(1, 21228196), (2, 10614098), (4, 5307049), (11, 1929836), (22, 964918), (44, 482459), (53, 400532), (106, 200266), (212, 100133), (583, 36412), (1166, 18206), (2332, 9103)]