21169533

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{811}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 35546112

約数和(自身を除く): 14376579

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 811, 1243, 2373, 2433, 3729, 5677, 8701, 8921, 17031, 26103, 26763, 62447, 91643, 187341, 274929, 641501, 1008073, 1924503, 3024219, 7056511, 21169533]

約数ペア:

[(1, 21169533), (3, 7056511), (7, 3024219), (11, 1924503), (21, 1008073), (33, 641501), (77, 274929), (113, 187341), (231, 91643), (339, 62447), (791, 26763), (811, 26103), (1243, 17031), (2373, 8921), (2433, 8701), (3729, 5677)]