21491340231

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2857511}}^1$

素因数の和:2857646

約数の個数: 16

約数和(自身を含む): 30175326720

約数和(自身を除く): 8683986489

約数列:

[1, 3, 23, 69, 109, 327, 2507, 7521, 2857511, 8572533, 65722753, 197168259, 311468699, 934406097, 7163780077, 21491340231]

約数ペア:

[(1, 21491340231), (3, 7163780077), (23, 934406097), (69, 311468699), (109, 197168259), (327, 65722753), (2507, 8572533), (7521, 2857511)]