21785948

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 38833872

約数和(自身を除く): 17047924

約数列:

[1, 2, 4, 113, 157, 226, 307, 314, 452, 614, 628, 1228, 17741, 34691, 35482, 48199, 69382, 70964, 96398, 138764, 192796, 5446487, 10892974, 21785948]

約数ペア:

[(1, 21785948), (2, 10892974), (4, 5446487), (113, 192796), (157, 138764), (226, 96398), (307, 70964), (314, 69382), (452, 48199), (614, 35482), (628, 34691), (1228, 17741)]