21376701

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4507}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 12379203

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4507, 4743, 13521, 40563, 76619, 139717, 229857, 419151, 689571, 1257453, 2375189, 7125567, 21376701]

約数ペア:

[(1, 21376701), (3, 7125567), (9, 2375189), (17, 1257453), (31, 689571), (51, 419151), (93, 229857), (153, 139717), (279, 76619), (527, 40563), (1581, 13521), (4507, 4743)]