21968212

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25309}}^1$

素因数の和:25351

約数の個数: 24

約数和(自身を含む): 45355520

約数和(自身を除く): 23387308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25309, 50618, 101236, 177163, 354326, 708652, 784579, 1569158, 3138316, 5492053, 10984106, 21968212]

約数ペア:

[(1, 21968212), (2, 10984106), (4, 5492053), (7, 3138316), (14, 1569158), (28, 784579), (31, 708652), (62, 354326), (124, 177163), (217, 101236), (434, 50618), (868, 25309)]