21293048

素因数分解:

$2^3\times 7^2\times {\mathrm{54319}}^1$

素因数の和:54339

約数の個数: 24

約数和(自身を含む): 46443600

約数和(自身を除く): 25150552

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54319, 108638, 217276, 380233, 434552, 760466, 1520932, 2661631, 3041864, 5323262, 10646524, 21293048]

約数ペア:

[(1, 21293048), (2, 10646524), (4, 5323262), (7, 3041864), (8, 2661631), (14, 1520932), (28, 760466), (49, 434552), (56, 380233), (98, 217276), (196, 108638), (392, 54319)]