21639057

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9787}}^1$

素因数の和:9868

約数の個数: 16

約数和(自身を含む): 31948032

約数和(自身を除く): 10308975

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9787, 29361, 107657, 322971, 655729, 1967187, 7213019, 21639057]

約数ペア:

[(1, 21639057), (3, 7213019), (11, 1967187), (33, 655729), (67, 322971), (201, 107657), (737, 29361), (2211, 9787)]