21167193

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 10185639

約数列:

[1, 3, 17, 41, 51, 53, 123, 159, 191, 573, 697, 901, 2091, 2173, 2703, 3247, 6519, 7831, 9741, 10123, 23493, 30369, 36941, 110823, 133127, 172091, 399381, 415043, 516273, 1245129, 7055731, 21167193]

約数ペア:

[(1, 21167193), (3, 7055731), (17, 1245129), (41, 516273), (51, 415043), (53, 399381), (123, 172091), (159, 133127), (191, 110823), (573, 36941), (697, 30369), (901, 23493), (2091, 10123), (2173, 9741), (2703, 7831), (3247, 6519)]