21898912

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 50137920

約数和(自身を除く): 28239008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1652, 1657, 1888, 3304, 3314, 6608, 6628, 11599, 13216, 13256, 23198, 26512, 46396, 53024, 92792, 97763, 185584, 195526, 371168, 391052, 684341, 782104, 1368682, 1564208, 2737364, 3128416, 5474728, 10949456, 21898912]

約数ペア:

[(1, 21898912), (2, 10949456), (4, 5474728), (7, 3128416), (8, 2737364), (14, 1564208), (16, 1368682), (28, 782104), (32, 684341), (56, 391052), (59, 371168), (112, 195526), (118, 185584), (224, 97763), (236, 92792), (413, 53024), (472, 46396), (826, 26512), (944, 23198), (1652, 13256), (1657, 13216), (1888, 11599), (3304, 6628), (3314, 6608)]