21167962029

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{919}}^1\times {\mathrm{997}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 32657114880

約数和(自身を除く): 11489152851

約数列:

[1, 3, 9, 17, 51, 151, 153, 453, 919, 997, 1359, 2567, 2757, 2991, 7701, 8271, 8973, 15623, 16949, 23103, 46869, 50847, 138769, 140607, 150547, 152541, 416307, 451641, 916243, 1248921, 1354923, 2359073, 2559299, 2748729, 7077219, 7677897, 8246187, 15576131, 21231657, 23033691, 46728393, 138352693, 140185179, 415058079, 1245174237, 2351995781, 7055987343, 21167962029]

約数ペア:

[(1, 21167962029), (3, 7055987343), (9, 2351995781), (17, 1245174237), (51, 415058079), (151, 140185179), (153, 138352693), (453, 46728393), (919, 23033691), (997, 21231657), (1359, 15576131), (2567, 8246187), (2757, 7677897), (2991, 7077219), (7701, 2748729), (8271, 2559299), (8973, 2359073), (15623, 1354923), (16949, 1248921), (23103, 916243), (46869, 451641), (50847, 416307), (138769, 152541), (140607, 150547)]