21493612

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4019}}^1$

素因数の和:4221

約数の個数: 24

約数和(自身を含む): 43223040

約数和(自身を除く): 21729428

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 4019, 5348, 8038, 16076, 28133, 56266, 112532, 767629, 1535258, 3070516, 5373403, 10746806, 21493612]

約数ペア:

[(1, 21493612), (2, 10746806), (4, 5373403), (7, 3070516), (14, 1535258), (28, 767629), (191, 112532), (382, 56266), (764, 28133), (1337, 16076), (2674, 8038), (4019, 5348)]