21832131

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 32332608

約数和(自身を除く): 10500477

約数列:

[1, 3, 17, 41, 51, 53, 123, 159, 197, 591, 697, 901, 2091, 2173, 2703, 3349, 6519, 8077, 10047, 10441, 24231, 31323, 36941, 110823, 137309, 177497, 411927, 428081, 532491, 1284243, 7277377, 21832131]

約数ペア:

[(1, 21832131), (3, 7277377), (17, 1284243), (41, 532491), (51, 428081), (53, 411927), (123, 177497), (159, 137309), (197, 110823), (591, 36941), (697, 31323), (901, 24231), (2091, 10441), (2173, 10047), (2703, 8077), (3349, 6519)]