21493034

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1045

約数の個数: 16

約数和(自身を含む): 33121440

約数和(自身を除く): 11628406

約数列:

[1, 2, 43, 86, 491, 509, 982, 1018, 21113, 21887, 42226, 43774, 249919, 499838, 10746517, 21493034]

約数ペア:

[(1, 21493034), (2, 10746517), (43, 499838), (86, 249919), (491, 43774), (509, 42226), (982, 21887), (1018, 21113)]