21542924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4271}}^1$

素因数の和:4385

約数の個数: 24

約数和(自身を含む): 41028288

約数和(自身を除く): 19485364

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 4271, 5044, 8542, 17084, 55523, 111046, 222092, 414287, 828574, 1657148, 5385731, 10771462, 21542924]

約数ペア:

[(1, 21542924), (2, 10771462), (4, 5385731), (13, 1657148), (26, 828574), (52, 414287), (97, 222092), (194, 111046), (388, 55523), (1261, 17084), (2522, 8542), (4271, 5044)]