21173782

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4597}}^1$

素因数の和:4660

約数の個数: 24

約数和(自身を含む): 37740384

約数和(自身を除く): 16566602

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4597, 4606, 9194, 32179, 64358, 216059, 225253, 432118, 450506, 1512413, 3024826, 10586891, 21173782]

約数ペア:

[(1, 21173782), (2, 10586891), (7, 3024826), (14, 1512413), (47, 450506), (49, 432118), (94, 225253), (98, 216059), (329, 64358), (658, 32179), (2303, 9194), (4597, 4606)]