21203874

素因数分解:

$2^1\times 3^2\times {\mathrm{853}}^1\times {\mathrm{1381}}^1$

素因数の和:2242

約数の個数: 24

約数和(自身を含む): 46028892

約数和(自身を除く): 24825018

約数列:

[1, 2, 3, 6, 9, 18, 853, 1381, 1706, 2559, 2762, 4143, 5118, 7677, 8286, 12429, 15354, 24858, 1177993, 2355986, 3533979, 7067958, 10601937, 21203874]

約数ペア:

[(1, 21203874), (2, 10601937), (3, 7067958), (6, 3533979), (9, 2355986), (18, 1177993), (853, 24858), (1381, 15354), (1706, 12429), (2559, 8286), (2762, 7677), (4143, 5118)]