21756756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259009}}^1$

素因数の和:259023

約数の個数: 24

約数和(自身を含む): 58018240

約数和(自身を除く): 36261484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259009, 518018, 777027, 1036036, 1554054, 1813063, 3108108, 3626126, 5439189, 7252252, 10878378, 21756756]

約数ペア:

[(1, 21756756), (2, 10878378), (3, 7252252), (4, 5439189), (6, 3626126), (7, 3108108), (12, 1813063), (14, 1554054), (21, 1036036), (28, 777027), (42, 518018), (84, 259009)]