21272973

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1783}}^1$

素因数の和:1924

約数の個数: 16

約数和(自身を含む): 29371776

約数和(自身を除く): 8098803

約数列:

[1, 3, 41, 97, 123, 291, 1783, 3977, 5349, 11931, 73103, 172951, 219309, 518853, 7090991, 21272973]

約数ペア:

[(1, 21272973), (3, 7090991), (41, 518853), (97, 219309), (123, 172951), (291, 73103), (1783, 11931), (3977, 5349)]