21709744

素因数分解:

$2^4\times 7^2\times {\mathrm{27691}}^1$

素因数の和:27713

約数の個数: 30

約数和(自身を含む): 48931764

約数和(自身を除く): 27222020

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27691, 55382, 110764, 193837, 221528, 387674, 443056, 775348, 1356859, 1550696, 2713718, 3101392, 5427436, 10854872, 21709744]

約数ペア:

[(1, 21709744), (2, 10854872), (4, 5427436), (7, 3101392), (8, 2713718), (14, 1550696), (16, 1356859), (28, 775348), (49, 443056), (56, 387674), (98, 221528), (112, 193837), (196, 110764), (392, 55382), (784, 27691)]