21842716

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1217}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 43789536

約数和(自身を除く): 21946820

約数列:

[1, 2, 4, 7, 14, 28, 641, 1217, 1282, 2434, 2564, 4487, 4868, 8519, 8974, 17038, 17948, 34076, 780097, 1560194, 3120388, 5460679, 10921358, 21842716]

約数ペア:

[(1, 21842716), (2, 10921358), (4, 5460679), (7, 3120388), (14, 1560194), (28, 780097), (641, 34076), (1217, 17948), (1282, 17038), (2434, 8974), (2564, 8519), (4487, 4868)]