21317088002

素因数分解:

$2^1\times 7^1\times {\mathrm{2909}}^1\times {\mathrm{523427}}^1$

素因数の和:526345

約数の個数: 16

約数和(自身を含む): 36556211520

約数和(自身を除く): 15239123518

約数列:

[1, 2, 7, 14, 2909, 5818, 20363, 40726, 523427, 1046854, 3663989, 7327978, 1522649143, 3045298286, 10658544001, 21317088002]

約数ペア:

[(1, 21317088002), (2, 10658544001), (7, 3045298286), (14, 1522649143), (2909, 7327978), (5818, 3663989), (20363, 1046854), (40726, 523427)]