21415912

素因数分解:

$2^3\times 7^1\times {\mathrm{382427}}^1$

素因数の和:382440

約数の個数: 16

約数和(自身を含む): 45891360

約数和(自身を除く): 24475448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 382427, 764854, 1529708, 2676989, 3059416, 5353978, 10707956, 21415912]

約数ペア:

[(1, 21415912), (2, 10707956), (4, 5353978), (7, 3059416), (8, 2676989), (14, 1529708), (28, 764854), (56, 382427)]