21415324

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4421}}^1$

素因数の和:4605

約数の個数: 24

約数和(自身を含む): 43087968

約数和(自身を除く): 21672644

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4421, 4844, 8842, 17684, 30947, 61894, 123788, 764833, 1529666, 3059332, 5353831, 10707662, 21415324]

約数ペア:

[(1, 21415324), (2, 10707662), (4, 5353831), (7, 3059332), (14, 1529666), (28, 764833), (173, 123788), (346, 61894), (692, 30947), (1211, 17684), (2422, 8842), (4421, 4844)]