21172624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120299}}^1$

素因数の和:120318

約数の個数: 20

約数和(自身を含む): 44751600

約数和(自身を除く): 23578976

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120299, 240598, 481196, 962392, 1323289, 1924784, 2646578, 5293156, 10586312, 21172624]

約数ペア:

[(1, 21172624), (2, 10586312), (4, 5293156), (8, 2646578), (11, 1924784), (16, 1323289), (22, 962392), (44, 481196), (88, 240598), (176, 120299)]