21305043

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 31608096

約数和(自身を除く): 10303053

約数列:

[1, 3, 9, 61, 151, 183, 257, 453, 549, 771, 1359, 2313, 9211, 15677, 27633, 38807, 47031, 82899, 116421, 141093, 349263, 2367227, 7101681, 21305043]

約数ペア:

[(1, 21305043), (3, 7101681), (9, 2367227), (61, 349263), (151, 141093), (183, 116421), (257, 82899), (453, 47031), (549, 38807), (771, 27633), (1359, 15677), (2313, 9211)]