21994533

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1110

約数の個数: 36

約数和(自身を含む): 36793120

約数和(自身を除く): 14798587

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 1063, 1089, 1881, 2299, 3189, 6897, 9567, 11693, 20197, 20691, 35079, 60591, 105237, 128623, 181773, 222167, 385869, 666501, 1157607, 1999503, 2443837, 7331511, 21994533]

約数ペア:

[(1, 21994533), (3, 7331511), (9, 2443837), (11, 1999503), (19, 1157607), (33, 666501), (57, 385869), (99, 222167), (121, 181773), (171, 128623), (209, 105237), (363, 60591), (627, 35079), (1063, 20691), (1089, 20197), (1881, 11693), (2299, 9567), (3189, 6897)]