21186748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25343}}^1$

素因数の和:25377

約数の個数: 24

約数和(自身を含む): 42577920

約数和(自身を除く): 21391172

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25343, 50686, 101372, 278773, 481517, 557546, 963034, 1115092, 1926068, 5296687, 10593374, 21186748]

約数ペア:

[(1, 21186748), (2, 10593374), (4, 5296687), (11, 1926068), (19, 1115092), (22, 963034), (38, 557546), (44, 481517), (76, 278773), (209, 101372), (418, 50686), (836, 25343)]