21723973

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 23788800

約数和(自身を除く): 2064827

約数列:

[1, 19, 41, 79, 353, 779, 1501, 3239, 6707, 14473, 27887, 61541, 274987, 529853, 1143367, 21723973]

約数ペア:

[(1, 21723973), (19, 1143367), (41, 529853), (79, 274987), (353, 61541), (779, 27887), (1501, 14473), (3239, 6707)]