21497961

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{2267}}^1$

素因数の和:2408

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 8439639

約数列:

[1, 3, 29, 87, 109, 327, 2267, 3161, 6801, 9483, 65743, 197229, 247103, 741309, 7165987, 21497961]

約数ペア:

[(1, 21497961), (3, 7165987), (29, 741309), (87, 247103), (109, 197229), (327, 65743), (2267, 9483), (3161, 6801)]