21137555835

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4637}}^1\times {\mathrm{9209}}^1$

素因数の和:13868

約数の個数: 48

約数和(自身を含む): 39982157280

約数和(自身を除く): 18844601445

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 4637, 9209, 13911, 23185, 27627, 41733, 46045, 51007, 69555, 82881, 101299, 138135, 153021, 208665, 255035, 303897, 414405, 459063, 506495, 765105, 911691, 1519485, 2295315, 4558455, 42702133, 128106399, 213510665, 384319197, 469723463, 640531995, 1409170389, 1921595985, 2348617315, 4227511167, 7045851945, 21137555835]

約数ペア:

[(1, 21137555835), (3, 7045851945), (5, 4227511167), (9, 2348617315), (11, 1921595985), (15, 1409170389), (33, 640531995), (45, 469723463), (55, 384319197), (99, 213510665), (165, 128106399), (495, 42702133), (4637, 4558455), (9209, 2295315), (13911, 1519485), (23185, 911691), (27627, 765105), (41733, 506495), (46045, 459063), (51007, 414405), (69555, 303897), (82881, 255035), (101299, 208665), (138135, 153021)]