21814527

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54673}}^1$

素因数の和:54702

約数の個数: 16

約数和(自身を含む): 34991360

約数和(自身を除く): 13176833

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 54673, 164019, 382711, 1038787, 1148133, 3116361, 7271509, 21814527]

約数ペア:

[(1, 21814527), (3, 7271509), (7, 3116361), (19, 1148133), (21, 1038787), (57, 382711), (133, 164019), (399, 54673)]