21966616

素因数分解:

$2^3\times 7^1\times {\mathrm{392261}}^1$

素因数の和:392274

約数の個数: 16

約数和(自身を含む): 47071440

約数和(自身を除く): 25104824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 392261, 784522, 1569044, 2745827, 3138088, 5491654, 10983308, 21966616]

約数ペア:

[(1, 21966616), (2, 10983308), (4, 5491654), (7, 3138088), (8, 2745827), (14, 1569044), (28, 784522), (56, 392261)]