21082854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3037}}^1$

素因数の和:3144

約数の個数: 32

約数和(自身を含む): 45934560

約数和(自身を除く): 24851706

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 3037, 3471, 6074, 6942, 9111, 18222, 39481, 78962, 118443, 236886, 270293, 540586, 810879, 1621758, 3513809, 7027618, 10541427, 21082854]

約数ペア:

[(1, 21082854), (2, 10541427), (3, 7027618), (6, 3513809), (13, 1621758), (26, 810879), (39, 540586), (78, 270293), (89, 236886), (178, 118443), (267, 78962), (534, 39481), (1157, 18222), (2314, 9111), (3037, 6942), (3471, 6074)]