21727545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10891}}^1$

素因数の和:10925

約数の個数: 32

約数和(自身を含む): 41825280

約数和(自身を除く): 20097735

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10891, 32673, 54455, 76237, 163365, 206929, 228711, 381185, 620787, 1034645, 1143555, 1448503, 3103935, 4345509, 7242515, 21727545]

約数ペア:

[(1, 21727545), (3, 7242515), (5, 4345509), (7, 3103935), (15, 1448503), (19, 1143555), (21, 1034645), (35, 620787), (57, 381185), (95, 228711), (105, 206929), (133, 163365), (285, 76237), (399, 54455), (665, 32673), (1995, 10891)]